<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a03465-6554-7ca0-b1a9-d2b282a082ca,g:35d76908-f2fe-4ab9-a5a7-557f4f5bcac2-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFEARNINGS" xlink:type="simple" xlink:href="cmc-20260831.xsd#CONSOLIDATEDSTATEMENTSOFEARNINGS"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFEARNINGS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-75f1-bfb7-246ccd9e148e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_01a03465-6786-7857-90d8-08d0dbbf6dab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-75f1-bfb7-246ccd9e148e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_01a03465-6786-7857-90d8-08d0dbbf6dab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a03465-6786-7b8a-a945-d3acfed4658f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-75f1-bfb7-246ccd9e148e" xlink:to="loc_us-gaap_CostsAndExpenses_01a03465-6786-7b8a-a945-d3acfed4658f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_01a03465-6786-7cbd-aa63-44598225421c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_01a03465-6786-7cbd-aa63-44598225421c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_01a03465-6786-7e8e-931f-fccb38a5ba0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_01a03465-6786-7e8e-931f-fccb38a5ba0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_01a03465-6786-7b27-ae76-2fa7154b57bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:to="loc_us-gaap_InterestExpenseOperating_01a03465-6786-7b27-ae76-2fa7154b57bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementLoss_01a03465-6786-7f90-adc1-d90abc243584" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LitigationSettlementLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:to="loc_us-gaap_LitigationSettlementLoss_01a03465-6786-7f90-adc1-d90abc243584" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_01a03465-6786-7c3f-9645-03cc9cc780ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a03465-6786-79fe-aec7-8b72cbccd7e0" xlink:to="loc_us-gaap_AssetImpairmentCharges_01a03465-6786-7c3f-9645-03cc9cc780ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-793f-b55e-6f93026d54a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e06-981b-4ff8173e704c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-793f-b55e-6f93026d54a9" xlink:to="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e06-981b-4ff8173e704c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6786-759c-854c-96ef5b0a1103" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-793f-b55e-6f93026d54a9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6786-759c-854c-96ef5b0a1103" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="cmc-20260831.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_01a03465-6786-7857-8b33-8c435475aff0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_01a03465-6786-73a0-80b6-9619f33297ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_01a03465-6786-7857-8b33-8c435475aff0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_01a03465-6786-73a0-80b6-9619f33297ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_01a03465-6786-71d9-91ae-92892ccd4f0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_01a03465-6786-7857-8b33-8c435475aff0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_01a03465-6786-71d9-91ae-92892ccd4f0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_01a03465-6786-754a-9e31-d94a5f0249c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_01a03465-6786-7748-a907-fbe4fa8aad30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_01a03465-6786-754a-9e31-d94a5f0249c5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_01a03465-6786-7748-a907-fbe4fa8aad30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_01a03465-6786-786c-b195-ca7318d44849" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_01a03465-6786-754a-9e31-d94a5f0249c5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_01a03465-6786-786c-b195-ca7318d44849" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e8e-8436-f6bc311c6235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e9c-a9fa-5852241e2f4b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e8e-8436-f6bc311c6235" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e9c-a9fa-5852241e2f4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-72e3-8735-ef30438af0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e8e-8436-f6bc311c6235" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-72e3-8735-ef30438af0a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7f27-ae5f-db6db0923c76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_01a03465-6786-77e2-9cfa-d9c07a4f66ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7f27-ae5f-db6db0923c76" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_01a03465-6786-77e2-9cfa-d9c07a4f66ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_01a03465-6786-7796-9dd0-792dc0e2da47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7f27-ae5f-db6db0923c76" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_01a03465-6786-7796-9dd0-792dc0e2da47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_01a03465-6786-78ea-ad45-d6faf9428403" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7f27-ae5f-db6db0923c76" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_01a03465-6786-78ea-ad45-d6faf9428403" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="cmc-20260831.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-7e67-b2a4-7cfcda9eda46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_01a03465-6786-77b6-a17e-95fd07fefb4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableTradeCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-7e67-b2a4-7cfcda9eda46" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_01a03465-6786-77b6-a17e-95fd07fefb4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_01a03465-6786-7526-94db-848cb4a38102" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyAccrualCarryingValueCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-7e67-b2a4-7cfcda9eda46" xlink:to="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_01a03465-6786-7526-94db-848cb4a38102" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccountsPayableAndAccruedLiabilities_01a03465-6786-7a77-8828-0ceb4b99fd54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-7e67-b2a4-7cfcda9eda46" xlink:to="loc_us-gaap_OtherAccountsPayableAndAccruedLiabilities_01a03465-6786-7a77-8828-0ceb4b99fd54" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_01a03465-6786-758b-a3df-989daea50768" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-7e67-b2a4-7cfcda9eda46" xlink:to="loc_us-gaap_LongTermDebtCurrent_01a03465-6786-758b-a3df-989daea50768" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-70ad-8735-7a77d28df0f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a03465-6786-7480-a434-2365386077fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-70ad-8735-7a77d28df0f0" xlink:to="loc_us-gaap_StockholdersEquity_01a03465-6786-7480-a434-2365386077fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_01a03465-6786-793d-b3fb-8584f0953a34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-70ad-8735-7a77d28df0f0" xlink:to="loc_us-gaap_MinorityInterest_01a03465-6786-793d-b3fb-8584f0953a34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a03465-6786-795c-a1ba-7679c3bcddaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a03465-6786-71c3-981f-bca5937db687" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a03465-6786-795c-a1ba-7679c3bcddaf" xlink:to="loc_us-gaap_Liabilities_01a03465-6786-71c3-981f-bca5937db687" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_01a03465-6786-748a-9c99-f0372fa42720" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a03465-6786-795c-a1ba-7679c3bcddaf" xlink:to="loc_us-gaap_CommitmentsAndContingencies_01a03465-6786-748a-9c99-f0372fa42720" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e0b-a467-60f1e35bd20e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a03465-6786-795c-a1ba-7679c3bcddaf" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a03465-6786-7e0b-a467-60f1e35bd20e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_01a03465-6786-79cf-aa4d-68ddec8d16eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-799e-8dbd-d172ef469b32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_01a03465-6786-79cf-aa4d-68ddec8d16eb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-799e-8dbd-d172ef469b32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_01a03465-6786-71b8-b409-9a817937f4f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_01a03465-6786-79cf-aa4d-68ddec8d16eb" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_01a03465-6786-71b8-b409-9a817937f4f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_01a03465-6786-70e7-82b1-11ee378bbf30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:to="loc_us-gaap_CommonStockValue_01a03465-6786-70e7-82b1-11ee378bbf30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a03465-6786-793a-b7bc-bdcdbab0880a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a03465-6786-793a-b7bc-bdcdbab0880a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7e5d-9fc2-3d6fa3975e3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a03465-6786-7e5d-9fc2-3d6fa3975e3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a03465-6786-7eab-a84d-835992b8bf0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a03465-6786-7eab-a84d-835992b8bf0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_01a03465-6786-7f44-9019-ad0576a21239" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a03465-6786-7043-8380-8608f215bf45" xlink:to="loc_us-gaap_TreasuryStockValue_01a03465-6786-7f44-9019-ad0576a21239" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a03465-6786-7078-bf00-3100f301bde9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-72f8-8df2-e01e87b7b900" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a03465-6786-7078-bf00-3100f301bde9" xlink:to="loc_us-gaap_LiabilitiesCurrent_01a03465-6786-72f8-8df2-e01e87b7b900" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a03465-6786-72e3-8950-c0ce550bf42f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a03465-6786-7078-bf00-3100f301bde9" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a03465-6786-72e3-8950-c0ce550bf42f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_01a03465-6786-7a66-a325-9400936180ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a03465-6786-7078-bf00-3100f301bde9" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_01a03465-6786-7a66-a325-9400936180ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a03465-6786-7cd6-9bf1-8aec96dcd859" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a03465-6786-7078-bf00-3100f301bde9" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a03465-6786-7cd6-9bf1-8aec96dcd859" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_01a03465-6786-7f7c-bc00-9a2b60f43d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_01a03465-6786-7f7c-bc00-9a2b60f43d5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_01a03465-6786-7787-993d-658c15838157" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_RestrictedCash_01a03465-6786-7787-993d-658c15838157" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_01a03465-6786-7f79-b941-b1606525aa67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_01a03465-6786-7f79-b941-b1606525aa67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReceivable_01a03465-6786-7580-a302-43ed54fee580" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReceivable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_IncomeTaxReceivable_01a03465-6786-7580-a302-43ed54fee580" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_01a03465-6786-736d-ad7c-7d78686e6824" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_InventoryNet_01a03465-6786-736d-ad7c-7d78686e6824" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0c4c9-cc5b-714d-8d4e-4337c5984947" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a03465-6786-7396-a8ff-010eb3dfb7b3" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0c4c9-cc5b-714d-8d4e-4337c5984947" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a03465-6786-7a63-a2d2-28b64ce2d11b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a03465-6786-7a63-a2d2-28b64ce2d11b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a03465-6786-7bd7-a27b-c1a475178652" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:to="loc_us-gaap_Goodwill_01a03465-6786-7bd7-a27b-c1a475178652" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_01a03465-6786-78be-9d41-e3a32176b38d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_01a03465-6786-78be-9d41-e3a32176b38d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_01a03465-6786-7552-854f-1df3506f85ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_01a03465-6786-7552-854f-1df3506f85ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a03465-6786-79bb-8882-708c83b073af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a03465-6786-720a-af49-ef597b0df3dc" xlink:to="loc_us-gaap_AssetsCurrent_01a03465-6786-79bb-8882-708c83b073af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-7ef2-b0c1-8da441ab0fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_01a03465-6786-78a6-b8c9-39afa9fd3219" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Land"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-7ef2-b0c1-8da441ab0fd3" xlink:to="loc_us-gaap_Land_01a03465-6786-78a6-b8c9-39afa9fd3219" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_01a03465-6786-77a4-bd21-d090979f0ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BuildingsAndImprovementsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-7ef2-b0c1-8da441ab0fd3" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_01a03465-6786-77a4-bd21-d090979f0ba4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_01a03465-6786-7e5a-85dc-c78dab09261a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MachineryAndEquipmentGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-7ef2-b0c1-8da441ab0fd3" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_01a03465-6786-7e5a-85dc-c78dab09261a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_01a03465-6786-7e50-8d7e-3ab63a819ea1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_01a03465-6786-7ef2-b0c1-8da441ab0fd3" xlink:to="loc_us-gaap_ConstructionInProgressGross_01a03465-6786-7e50-8d7e-3ab63a819ea1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="cmc-20260831.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_01a03465-6786-7af1-9a8b-c2d3d5c69cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_01a03465-6786-7af1-9a8b-c2d3d5c69cac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_01a03465-6786-77dd-ab1a-aabbf1c0858b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_01a03465-6786-77dd-ab1a-aabbf1c0858b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_01a03465-6786-7b7b-b7c8-68c379221297" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_ShareBasedCompensation_01a03465-6786-7b7b-b7c8-68c379221297" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_01a03465-6786-7723-8be7-b9c2257ded26" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_AssetImpairmentCharges_01a03465-6786-7723-8be7-b9c2257ded26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_01a03465-6786-798f-bad7-61acd845b94d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_01a03465-6786-798f-bad7-61acd845b94d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_01a03465-6786-7697-8120-32b762203701" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_01a03465-6786-7697-8120-32b762203701" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_01a03465-6786-700e-8fa9-c951c908e804" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_01a03465-6786-700e-8fa9-c951c908e804" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_01a03465-6786-7f13-92d1-c51c567c0305" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_01a03465-6786-7f13-92d1-c51c567c0305" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_01a03465-6786-7e6b-b5ca-b3e346e3a56e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_01a03465-6786-7e6b-b5ca-b3e346e3a56e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_01a03465-6786-7d0f-a307-6f6ccc8b818b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_01a03465-6786-7d0f-a307-6f6ccc8b818b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_01a03465-6786-74f0-820f-0baee2f89201" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_InventoryWriteDown_01a03465-6786-74f0-820f-0baee2f89201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_SettlementOfNewMarketsTaxCreditTransaction_01a03465-6786-763f-aa83-9978715e67c1" xlink:href="cmc-20260831.xsd#cmc_SettlementOfNewMarketsTaxCreditTransaction"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_cmc_SettlementOfNewMarketsTaxCreditTransaction_01a03465-6786-763f-aa83-9978715e67c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_01a03465-6786-7bbd-9a99-c878a157c49e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_01a03465-6786-7bbd-9a99-c878a157c49e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementLoss_01a03465-6786-713f-b212-bd65317648f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LitigationSettlementLoss"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_LitigationSettlementLoss_01a03465-6786-713f-b212-bd65317648f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a03465-6786-7684-8298-4bd8b745cf8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_NetIncomeLoss_01a03465-6786-7684-8298-4bd8b745cf8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_WriteOffOfCommittedFinancingFees_01a0c4ce-6c42-793b-b810-cc235a5fdf6a" xlink:href="cmc-20260831.xsd#cmc_WriteOffOfCommittedFinancingFees"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_cmc_WriteOffOfCommittedFinancingFees_01a0c4ce-6c42-793b-b810-cc235a5fdf6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnCommodityContracts_01a10dbe-9715-78a5-b23e-a8d07e4be8b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnCommodityContracts"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_UnrealizedGainLossOnCommodityContracts_01a10dbe-9715-78a5-b23e-a8d07e4be8b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_01a10dbe-9715-7bb4-8ce0-fb0536b1961e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_01a10dbe-9715-7bb4-8ce0-fb0536b1961e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_01a10dbe-9715-7f17-b503-302c2a9ed382" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7ee6-9fed-2ac3c42d9734" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_01a10dbe-9715-7f17-b503-302c2a9ed382" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a03465-6786-7726-898b-e7675d52bb1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7c82-937a-7437b88d0a17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a03465-6786-7726-898b-e7675d52bb1a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a03465-6786-7c82-937a-7437b88d0a17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-705a-b0f2-d5a5fb97a311" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a03465-6786-7726-898b-e7675d52bb1a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-705a-b0f2-d5a5fb97a311" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-754f-97f3-bfc698bcafd0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a03465-6786-7726-898b-e7675d52bb1a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-754f-97f3-bfc698bcafd0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a03465-6786-7c39-aa01-303cdbc60dbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a03465-6786-7726-898b-e7675d52bb1a" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a03465-6786-7c39-aa01-303cdbc60dbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_01a03465-6786-7df2-bbd2-941eccad416e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_01a03465-6786-7df2-bbd2-941eccad416e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_01a03465-6786-777f-8b17-3b9013f91ec9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_01a03465-6786-777f-8b17-3b9013f91ec9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_01a03465-6786-74ad-b213-65b9282ff697" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_01a03465-6786-74ad-b213-65b9282ff697" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_01a03465-6786-75a7-b7b4-6cc8600865dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_01a03465-6786-75a7-b7b4-6cc8600865dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_01a03465-6786-7b3c-b333-783b89d9a34b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_01a03465-6786-7b3c-b333-783b89d9a34b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_01a03465-6786-77a4-8693-662baca23482" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_01a03465-6786-77a4-8693-662baca23482" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_01a03465-6786-747f-84f5-44f7dde68207" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromMinorityShareholders"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_01a03465-6786-747f-84f5-44f7dde68207" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_RepaymentsUnderAccountsReceivableProgramsFinancingActivities_01a03465-6786-7052-88fa-2b27b77c19e1" xlink:href="cmc-20260831.xsd#cmc_RepaymentsUnderAccountsReceivableProgramsFinancingActivities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_cmc_RepaymentsUnderAccountsReceivableProgramsFinancingActivities_01a03465-6786-7052-88fa-2b27b77c19e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a03465-6786-7a6a-b48d-0e5528089927" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a03465-6786-7a6a-b48d-0e5528089927" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_PaymentForCommittedFinancingFees_01a0c4d0-934d-7a7b-93bf-4716e3b05a0c" xlink:href="cmc-20260831.xsd#cmc_PaymentForCommittedFinancingFees"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a03465-6786-7aed-a7fd-ed9e3d269c89" xlink:to="loc_cmc_PaymentForCommittedFinancingFees_01a0c4d0-934d-7a7b-93bf-4716e3b05a0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a03465-6786-7716-b320-cd6ce29f3390" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a03465-6786-7716-b320-cd6ce29f3390" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_01a03465-6786-7bbf-8877-79fef32711e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_01a03465-6786-7bbf-8877-79fef32711e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a03465-6786-7e7d-9109-2b79e8f33bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a03465-6786-7e7d-9109-2b79e8f33bb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_01a03465-6786-7408-b242-750d46d0293b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_01a03465-6786-7408-b242-750d46d0293b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a03465-6786-7ce6-90f6-eb49c7376c1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a03465-6786-7ce6-90f6-eb49c7376c1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_ProceedsFromGovernmentGrantsRelatedToPropertyPlantAndEquipment_01a03465-6786-7d15-ac4e-ae776804816b" xlink:href="cmc-20260831.xsd#cmc_ProceedsFromGovernmentGrantsRelatedToPropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a03465-6786-7b47-a3c1-33b1a8a735c7" xlink:to="loc_cmc_ProceedsFromGovernmentGrantsRelatedToPropertyPlantAndEquipment_01a03465-6786-7d15-ac4e-ae776804816b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/ACQUISITIONScheduleofBusinessAcquisitionsbyAcquisitionDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#ACQUISITIONScheduleofBusinessAcquisitionsbyAcquisitionDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/ACQUISITIONScheduleofBusinessAcquisitionsbyAcquisitionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a0c441-f863-7d97-a5e1-4a6d35e1d9fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a0c441-f863-7d97-a5e1-4a6d35e1d9fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a0c441-f863-719c-9661-b01739e7685b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a0c441-f863-719c-9661-b01739e7685b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_01a0c441-f863-7a5b-bdfb-d75664c9d5d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_01a0c441-f863-7a5b-bdfb-d75664c9d5d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_01a0c441-f863-73a5-94de-1d5ec169ad98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_01a0c441-f863-73a5-94de-1d5ec169ad98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a0c441-f863-7363-87c5-c3e721304a80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a0c441-f863-7363-87c5-c3e721304a80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_01a0c441-f863-74ad-afc8-d71158eb3608" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_01a0c441-f863-74ad-afc8-d71158eb3608" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a0c441-f863-7c0c-903e-4b2c9306a2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_Goodwill_01a0c441-f863-7c0c-903e-4b2c9306a2ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a0c441-f863-78e4-b4f6-aa7a6edf129a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a0c441-f863-78e4-b4f6-aa7a6edf129a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_01a0c441-f863-752b-b083-5aff183568df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_01a0c441-f863-752b-b083-5aff183568df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_01a0c441-f863-7824-a4b3-f6493d24d7d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_01a0c441-f863-7824-a4b3-f6493d24d7d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_01a0c441-f863-78bb-b330-2ec641556ed7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_01a0c441-f863-7931-8cf6-c92ab5eabc1c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_01a0c441-f863-78bb-b330-2ec641556ed7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSAOCIbyComponentsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#ACCUMULATEDOTHERCOMPREHENSIVELOSSAOCIbyComponentsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSAOCIbyComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6847-7ab5-9b44-56aa6504ab17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_01a03465-6847-7382-8755-f9726d850c15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6847-7ab5-9b44-56aa6504ab17" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_01a03465-6847-7382-8755-f9726d850c15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_01a03465-6847-7217-b33c-0a82de231d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a03465-6847-7ab5-9b44-56aa6504ab17" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_01a03465-6847-7217-b33c-0a82de231d0e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/GOODWILLANDOTHERINTANGIBLEASSETSIntangibleAssetsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#GOODWILLANDOTHERINTANGIBLEASSETSIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/GOODWILLANDOTHERINTANGIBLEASSETSIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a03465-6847-7042-ba25-db08241526cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_01a03465-6847-7cec-abce-d023f2d1bf26" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a03465-6847-7042-ba25-db08241526cf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_01a03465-6847-7cec-abce-d023f2d1bf26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01a03465-6847-73ae-9bfa-67f06f6d1933" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a03465-6847-7042-ba25-db08241526cf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01a03465-6847-73ae-9bfa-67f06f6d1933" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/LeasesBalanceSheetComponentsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#LeasesBalanceSheetComponentsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/LeasesBalanceSheetComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_cmc_RightOfUseAsset_01a03465-6847-7441-9c4e-9d0cf2d43930" xlink:href="cmc-20260831.xsd#cmc_RightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_01a03465-6847-7aa3-96a7-31cf5223b816" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_RightOfUseAsset_01a03465-6847-7441-9c4e-9d0cf2d43930" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_01a03465-6847-7aa3-96a7-31cf5223b816" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_01a03465-6847-7a20-b2c1-0d7e11a51fff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_RightOfUseAsset_01a03465-6847-7441-9c4e-9d0cf2d43930" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_01a03465-6847-7a20-b2c1-0d7e11a51fff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_LeaseLiability_01a03465-6847-7692-88a2-5576bdaad612" xlink:href="cmc-20260831.xsd#cmc_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-7cd8-b679-96c3cd3ba6ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LeaseLiability_01a03465-6847-7692-88a2-5576bdaad612" xlink:to="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-7cd8-b679-96c3cd3ba6ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-7369-ab19-ae8979adace4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LeaseLiability_01a03465-6847-7692-88a2-5576bdaad612" xlink:to="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-7369-ab19-ae8979adace4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-7f70-b83c-4da3687cf63a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_01a03465-6847-7fa2-a952-0489a1b4da5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-7f70-b83c-4da3687cf63a" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_01a03465-6847-7fa2-a952-0489a1b4da5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_01a03465-6847-7871-a272-c85ee24e4e60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-7f70-b83c-4da3687cf63a" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_01a03465-6847-7871-a272-c85ee24e4e60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-7084-9468-fc135f7d00bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_01a03465-6847-79d1-a677-b201e1c3fd3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-7084-9468-fc135f7d00bb" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_01a03465-6847-79d1-a677-b201e1c3fd3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a03465-6847-744b-bf8a-a2ad8228dbdd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-7084-9468-fc135f7d00bb" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a03465-6847-744b-bf8a-a2ad8228dbdd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/LeasesLeaseCostDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#LeasesLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/LeasesLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_cmc_FinanceLeaseCost_01a03465-6847-755f-a070-8e623792356a" xlink:href="cmc-20260831.xsd#cmc_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_01a03465-6847-78dc-85c4-3974c81a02c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_FinanceLeaseCost_01a03465-6847-755f-a070-8e623792356a" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_01a03465-6847-78dc-85c4-3974c81a02c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_01a03465-6847-7337-b90a-b90f09f6fbb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_FinanceLeaseCost_01a03465-6847-755f-a070-8e623792356a" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_01a03465-6847-7337-b90a-b90f09f6fbb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_01a03465-6847-73ea-bafc-fb33b6052c51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_01a03465-6847-76c2-b04f-9ce28a397bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_01a03465-6847-73ea-bafc-fb33b6052c51" xlink:to="loc_us-gaap_OperatingLeaseCost_01a03465-6847-76c2-b04f-9ce28a397bfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_FinanceLeaseCost_01a03465-6847-783f-bb22-140b9222c775" xlink:href="cmc-20260831.xsd#cmc_FinanceLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_01a03465-6847-73ea-bafc-fb33b6052c51" xlink:to="loc_cmc_FinanceLeaseCost_01a03465-6847-783f-bb22-140b9222c775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_VariableAndShortTermLeaseCost_01a03465-6847-7d5e-922b-8f5ba641b689" xlink:href="cmc-20260831.xsd#cmc_VariableAndShortTermLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_01a03465-6847-73ea-bafc-fb33b6052c51" xlink:to="loc_cmc_VariableAndShortTermLeaseCost_01a03465-6847-7d5e-922b-8f5ba641b689" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/LeasesMaturityofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#LeasesMaturityofLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/LeasesMaturityofLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_01a03465-6847-756d-a5e8-0c92a440d53b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_01a03465-6847-756d-a5e8-0c92a440d53b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_01a03465-6847-76cb-9bce-25afccc82050" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_01a03465-6847-76cb-9bce-25afccc82050" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_01a03465-6847-7d5b-adcf-8efb9eb08f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_01a03465-6847-7d5b-adcf-8efb9eb08f0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_01a03465-6847-7ca6-b468-b6ade1e8000f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_01a03465-6847-7ca6-b468-b6ade1e8000f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_01a03465-6847-7612-a069-912b28b562cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_01a03465-6847-7612-a069-912b28b562cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_01a03465-6847-705b-9847-937543a57a16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-73d8-9a97-eb0345e33d5e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_01a03465-6847-705b-9847-937543a57a16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_01a03465-6847-770f-a211-0c85a109ecbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_01a03465-6847-770f-a211-0c85a109ecbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_01a03465-6847-7420-938f-4940d7e01594" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_01a03465-6847-7420-938f-4940d7e01594" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_01a03465-6847-70cc-85e4-45ac1d9c0f22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_01a03465-6847-70cc-85e4-45ac1d9c0f22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_01a03465-6847-70b1-96e4-ef989101da8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_01a03465-6847-70b1-96e4-ef989101da8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_01a03465-6847-7c5e-91f5-d113ed8f13bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_01a03465-6847-7c5e-91f5-d113ed8f13bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_01a03465-6847-7cb9-896d-95f0c3dffa0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-7b16-ac71-f6e6240f9320" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_01a03465-6847-7cb9-896d-95f0c3dffa0b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/LeasesMaturityofLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="cmc-20260831.xsd#LeasesMaturityofLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/LeasesMaturityofLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-7efe-aa9f-a9268f2285ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-77f9-a3c6-d67252f1c1d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-7efe-aa9f-a9268f2285ea" xlink:to="loc_us-gaap_FinanceLeaseLiability_01a03465-6847-77f9-a3c6-d67252f1c1d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_01a03465-6847-7c4a-aee5-e7bb28c7710b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_01a03465-6847-7efe-aa9f-a9268f2285ea" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_01a03465-6847-7c4a-aee5-e7bb28c7710b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-70a1-b0f2-16b76276d7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-782a-ad24-9cfc66fed733" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-70a1-b0f2-16b76276d7a5" xlink:to="loc_us-gaap_OperatingLeaseLiability_01a03465-6847-782a-ad24-9cfc66fed733" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_01a03465-6847-7084-b73c-16c77345fcf2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a03465-6847-70a1-b0f2-16b76276d7a5" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_01a03465-6847-7084-b73c-16c77345fcf2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CREDITARRANGEMENTSLongtermDebtDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#CREDITARRANGEMENTSLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CREDITARRANGEMENTSLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-74f7-9bb1-bf1eb8bab3fc" xlink:href="cmc-20260831.xsd#cmc_LongTermDebtAndFinanceLeaseObligationsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_01a03465-6848-7953-aa82-6f2d78679192" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-74f7-9bb1-bf1eb8bab3fc" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_01a03465-6848-7953-aa82-6f2d78679192" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_01a03465-6848-7e74-ad87-e10882d2f23e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-74f7-9bb1-bf1eb8bab3fc" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_01a03465-6848-7e74-ad87-e10882d2f23e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_01a03465-6848-7a1c-a9f9-c708385ec680" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedPremium"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-74f7-9bb1-bf1eb8bab3fc" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_01a03465-6848-7a1c-a9f9-c708385ec680" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_01a03465-6848-78da-ae05-739b750d9609" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_01a03465-6848-745f-aaed-a07b4ba1852f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_01a03465-6848-78da-ae05-739b750d9609" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_01a03465-6848-745f-aaed-a07b4ba1852f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_01a03465-6848-7667-813a-5e6f03987b16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_01a03465-6848-78da-ae05-739b750d9609" xlink:to="loc_us-gaap_FinanceLeaseLiability_01a03465-6848-7667-813a-5e6f03987b16" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CREDITARRANGEMENTSLongtermDebtDetails_1" xlink:type="simple" xlink:href="cmc-20260831.xsd#CREDITARRANGEMENTSLongtermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CREDITARRANGEMENTSLongtermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-7a09-b949-8702d20eda8c" xlink:href="cmc-20260831.xsd#cmc_LongTermDebtAndFinanceLeaseObligationsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_01a03465-6848-743c-b219-166343d47274" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-7a09-b949-8702d20eda8c" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_01a03465-6848-743c-b219-166343d47274" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a03465-6848-7e66-824a-40657f137539" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtAndFinanceLeaseObligationsNet_01a03465-6848-7a09-b949-8702d20eda8c" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a03465-6848-7e66-824a-40657f137539" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/CREDITARRANGEMENTSScheduledMaturitiesofLongtermDebtDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#CREDITARRANGEMENTSScheduledMaturitiesofLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/CREDITARRANGEMENTSScheduledMaturitiesofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_01a03465-6848-70cd-b56f-6d4a80383242" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_01a03465-6848-70cd-b56f-6d4a80383242" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_01a03465-6848-7641-b2c1-1d2b078e87f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_01a03465-6848-7641-b2c1-1d2b078e87f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_01a03465-6848-7881-9b5c-78498f611080" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_01a03465-6848-7881-9b5c-78498f611080" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_01a03465-6848-71a8-9040-81f43b43ef02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_01a03465-6848-71a8-9040-81f43b43ef02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_01a03465-6848-73e1-b0eb-928ba93fee77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_01a03465-6848-73e1-b0eb-928ba93fee77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_01a03465-6848-7518-9988-37117d22639f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_01a03465-6848-704b-98a9-ec98ce7ebe36" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_01a03465-6848-7518-9988-37117d22639f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_LongTermDebtNetOfFinanceLeases_01a03465-6848-728a-81f2-a9331b0e2b9f" xlink:href="cmc-20260831.xsd#cmc_LongTermDebtNetOfFinanceLeases"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_01a03465-6848-75ce-9ef9-230339e2139d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedPremium"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtNetOfFinanceLeases_01a03465-6848-728a-81f2-a9331b0e2b9f" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_01a03465-6848-75ce-9ef9-230339e2139d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_01a03465-6848-7b8c-b261-0c0f78b1342f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtNetOfFinanceLeases_01a03465-6848-728a-81f2-a9331b0e2b9f" xlink:to="loc_us-gaap_LongTermDebt_01a03465-6848-7b8c-b261-0c0f78b1342f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_01a03465-6848-7156-aea4-c92b2f5de68b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_LongTermDebtNetOfFinanceLeases_01a03465-6848-728a-81f2-a9331b0e2b9f" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_01a03465-6848-7156-aea4-c92b2f5de68b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/INCOMETAXComponentsofEarningsfromContinuingOperationsbeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#INCOMETAXComponentsofEarningsfromContinuingOperationsbeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/INCOMETAXComponentsofEarningsfromContinuingOperationsbeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a03465-6848-7562-af23-ed77555f92c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_01a03465-6848-73de-a575-e8ace1edf82b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a03465-6848-7562-af23-ed77555f92c1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_01a03465-6848-73de-a575-e8ace1edf82b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_01a03465-6848-7479-9aa6-fa73f465a530" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a03465-6848-7562-af23-ed77555f92c1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_01a03465-6848-7479-9aa6-fa73f465a530" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/INCOMETAXIncomeTaxesIncludedintheConsolidatedStatementsofOperationsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#INCOMETAXIncomeTaxesIncludedintheConsolidatedStatementsofOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/INCOMETAXIncomeTaxesIncludedintheConsolidatedStatementsofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-70bd-acae-ef92f899f83d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_01a03465-6848-74d8-a393-f370126677bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-70bd-acae-ef92f899f83d" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_01a03465-6848-74d8-a393-f370126677bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_01a03465-6848-7e75-8238-299300d27013" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-70bd-acae-ef92f899f83d" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_01a03465-6848-7e75-8238-299300d27013" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_01a03465-6848-7d09-8487-aac107f3cfdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-70bd-acae-ef92f899f83d" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_01a03465-6848-7d09-8487-aac107f3cfdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-72f2-ad19-fdd328de60e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_01a03465-6848-76e3-a8c7-6b38ebd694aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-72f2-ad19-fdd328de60e8" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_01a03465-6848-76e3-a8c7-6b38ebd694aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_01a03465-6848-7e2e-8585-c130aeaf5e31" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-72f2-ad19-fdd328de60e8" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_01a03465-6848-7e2e-8585-c130aeaf5e31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_01a03465-6848-7bbf-9afe-96c80420d718" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-72f2-ad19-fdd328de60e8" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_01a03465-6848-7bbf-9afe-96c80420d718" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-772b-ba88-b64701a693b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-77b6-8497-658c3a001e28" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-772b-ba88-b64701a693b1" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_01a03465-6848-77b6-8497-658c3a001e28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-7d93-b3e7-989993757230" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-772b-ba88-b64701a693b1" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a03465-6848-7d93-b3e7-989993757230" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsCurrentYearDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsCurrentYearDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsCurrentYearDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_01a03520-a1fd-74d1-9eca-0033dc2d8845" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_01a03520-a1fd-74d1-9eca-0033dc2d8845" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_01a03520-a1fd-7cb8-9ae4-ba0694bb3a84" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_01a03520-a1fd-7cb8-9ae4-ba0694bb3a84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedAmount_01a03520-a1fd-7696-aa8b-79dbd2ef631f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedAmount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedAmount_01a03520-a1fd-7696-aa8b-79dbd2ef631f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_01a03520-a1fd-7125-bf82-66747f0e1786" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsOther"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_01a03520-a1fd-7125-bf82-66747f0e1786" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_01a03520-a1fd-78cb-b350-4719aa137c0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_01a03520-a1fd-78cb-b350-4719aa137c0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainAmount_01a03520-a1fd-7735-a1e0-85fde29bce57" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainAmount"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainAmount_01a03520-a1fd-7735-a1e0-85fde29bce57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_01a03520-a1fd-7622-ab31-69a53289bd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_01a03520-a1fd-7622-ab31-69a53289bd8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_01a03520-a1fd-773c-904d-6fdf966d9308" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_01a03520-a1fd-773c-904d-6fdf966d9308" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount_01a03520-a1fd-7f86-8df8-bd10321bcb20" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount_01a03520-a1fd-7f86-8df8-bd10321bcb20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentAmount_01a03520-a1fd-7757-8fe4-69196e567e2a" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentAmount"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentAmount_01a03520-a1fd-7757-8fe4-69196e567e2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_01a03520-a1fd-7228-a7d3-774aeb771be1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_01a03520-a1fd-7228-a7d3-774aeb771be1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_01a03520-a1fd-7a22-bb84-27021e56bb69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_01a03520-a1fd-7a22-bb84-27021e56bb69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_01a03520-a1fd-7ea1-b884-2c52383bfe00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03520-a1fd-7443-a437-2752fd7d84c0" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_01a03520-a1fd-7ea1-b884-2c52383bfe00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_01a03520-f684-7612-a8b2-c1e788a16729" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_01a03520-f684-7612-a8b2-c1e788a16729" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_01a03520-f684-7362-a6ce-efa64a0d5780" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_01a03520-f684-7362-a6ce-efa64a0d5780" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedPercent_01a03520-f684-780d-83f0-869204f37ffa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedPercent"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedPercent_01a03520-f684-780d-83f0-869204f37ffa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_01a03520-f684-70dc-8111-34f9a7b0bdea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_01a03520-f684-70dc-8111-34f9a7b0bdea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_01a03520-f684-7ae7-a121-77bf9209243a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_01a03520-f684-7ae7-a121-77bf9209243a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainPercent_01a03520-f684-7643-aa76-24fde8e52729" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainPercent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGainPercent_01a03520-f684-7643-aa76-24fde8e52729" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_01a03520-f684-7926-bcc8-dbb48b2524b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_01a03520-f684-7926-bcc8-dbb48b2524b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_01a03520-f684-76c9-8696-fb8ae8ed394d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_01a03520-f684-76c9-8696-fb8ae8ed394d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent_01a03520-f684-7979-88fc-99ac848c2976" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent_01a03520-f684-7979-88fc-99ac848c2976" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentPercent_01a03520-f684-7ff9-b805-f615b3630607" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentPercent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationInvestmentCreditBasisAdjustmentPercent_01a03520-f684-7ff9-b805-f615b3630607" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01a03520-f684-7166-8cb5-cd4bedbee91e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01a03520-f684-7166-8cb5-cd4bedbee91e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_01a03520-f684-757b-b13c-c1e773bc131b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_01a03520-f684-757b-b13c-c1e773bc131b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_01a03520-f684-7235-8ec4-bff8deda5d19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a03520-f684-751c-9bf3-3ee1a2e38624" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_01a03520-f684-7235-8ec4-bff8deda5d19" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsPriorYearsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsPriorYearsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/INCOMETAXReconciliationofFederalStatutoryRatetoEffectiveTaxRatefromContinuingOperationsPriorYearsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_01a03465-6848-73c2-ad0e-a907bf1740b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_01a03465-6848-73c2-ad0e-a907bf1740b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_01a03465-6848-71ed-97ea-d9d87320dc3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_01a03465-6848-71ed-97ea-d9d87320dc3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_01a03465-6848-7bfa-99b7-7b402fc18351" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_01a03465-6848-7bfa-99b7-7b402fc18351" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_01a03465-6848-755c-8e38-dd6cabb523e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_01a03465-6848-755c-8e38-dd6cabb523e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationInterestExpenseRelatedToUncertainTaxPositions_01a03465-6848-742e-98e4-737962c5f8ae" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationInterestExpenseRelatedToUncertainTaxPositions"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationInterestExpenseRelatedToUncertainTaxPositions_01a03465-6848-742e-98e4-737962c5f8ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense_01a03465-6848-7d67-a045-825bbf55b6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense_01a03465-6848-7d67-a045-825bbf55b6f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_01a03465-6848-76e6-b156-7df372cff94d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_01a03465-6848-76e6-b156-7df372cff94d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_EffectiveIncomeTaxRateReconciliationTollChargeAndRelatedForeignTaxCredits_01a03465-6848-7aef-abe0-022a1ca8817e" xlink:href="cmc-20260831.xsd#cmc_EffectiveIncomeTaxRateReconciliationTollChargeAndRelatedForeignTaxCredits"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_cmc_EffectiveIncomeTaxRateReconciliationTollChargeAndRelatedForeignTaxCredits_01a03465-6848-7aef-abe0-022a1ca8817e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_01a03465-6848-74fb-93c3-9862328388c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_01a03465-6848-71f2-9f89-55a5d0ec1cd8" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_01a03465-6848-74fb-93c3-9862328388c4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/INCOMETAXDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#INCOMETAXDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/INCOMETAXDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_01a03465-6848-71fb-b3bf-ca3623467061" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_01a03465-6848-7760-a6f9-6e842e65825c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_01a03465-6848-71fb-b3bf-ca3623467061" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_01a03465-6848-7760-a6f9-6e842e65825c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7545-8d48-0edc98fa4b4e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_01a03465-6848-71fb-b3bf-ca3623467061" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7545-8d48-0edc98fa4b4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01a03465-6848-72d6-8962-8334f1ea689c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01a03465-6848-72d6-8962-8334f1ea689c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_01a03465-6848-78ae-bed0-8d489091dde8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_01a03465-6848-78ae-bed0-8d489091dde8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_DeferredTaxLiabilitiesIntangibleAssets1_01a03465-6848-7b17-bde2-ea303c2894bf" xlink:href="cmc-20260831.xsd#cmc_DeferredTaxLiabilitiesIntangibleAssets1"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:to="loc_cmc_DeferredTaxLiabilitiesIntangibleAssets1_01a03465-6848-7b17-bde2-ea303c2894bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_01a03465-6848-7587-a7c3-8cf44a761f50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_01a03465-6848-7587-a7c3-8cf44a761f50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_01a03465-6848-7bcd-85fe-6e35aa18764c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a03465-6848-7f76-83a7-af569befaaa6" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_01a03465-6848-7bcd-85fe-6e35aa18764c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_01a03465-6848-7288-b98e-4d177618688e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_01a03465-6848-7288-b98e-4d177618688e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_01a03465-6848-7dbe-9abd-39a7de405ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_01a03465-6848-7dbe-9abd-39a7de405ea0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_01a03465-6848-73f6-afe5-7e7126da2ee9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_01a03465-6848-73f6-afe5-7e7126da2ee9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_DeferredTaxAssetsRightOfUseOperatingLeaseLiabilities_01a03465-6848-7b59-a184-9a169f300a92" xlink:href="cmc-20260831.xsd#cmc_DeferredTaxAssetsRightOfUseOperatingLeaseLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_cmc_DeferredTaxAssetsRightOfUseOperatingLeaseLiabilities_01a03465-6848-7b59-a184-9a169f300a92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_01a03465-6848-7ea6-a8f4-034622772192" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_01a03465-6848-7ea6-a8f4-034622772192" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_01a03465-6848-71d8-be50-4f74907bd241" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_01a03465-6848-71d8-be50-4f74907bd241" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements_01a03465-6848-7dad-8eda-970f74ad31b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-793e-b6b6-f4801793c9b9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements_01a03465-6848-7dad-8eda-970f74ad31b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_01a03465-6848-76a0-bf2d-ae992615448b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-74a9-b73f-619ece3f9aec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_01a03465-6848-76a0-bf2d-ae992615448b" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_01a03465-6848-74a9-b73f-619ece3f9aec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_01a03465-6848-72cd-968b-0909214201e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_01a03465-6848-76a0-bf2d-ae992615448b" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_01a03465-6848-72cd-968b-0909214201e1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/EMPLOYEESRETIREMENTPLANSNetPeriodicBenefitCostDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#EMPLOYEESRETIREMENTPLANSNetPeriodicBenefitCostDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/EMPLOYEESRETIREMENTPLANSNetPeriodicBenefitCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a03465-6914-742d-964f-e36eb88abadf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_01a03465-6914-768d-8c6f-3d5d7e7da57e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a03465-6914-742d-964f-e36eb88abadf" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_01a03465-6914-768d-8c6f-3d5d7e7da57e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_01a03465-6914-74cc-8ba8-bbb16833459b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a03465-6914-742d-964f-e36eb88abadf" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_01a03465-6914-74cc-8ba8-bbb16833459b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_01a03465-6914-7ea7-881a-5c03d15b8646" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a03465-6914-742d-964f-e36eb88abadf" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_01a03465-6914-7ea7-881a-5c03d15b8646" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/EMPLOYEESRETIREMENTPLANSFairValueofPlanAssetsDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#EMPLOYEESRETIREMENTPLANSFairValueofPlanAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/EMPLOYEESRETIREMENTPLANSFairValueofPlanAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_cmc_DefinedBenefitPlanPlanAssetsNet_01a03465-6914-74c6-8337-a48e87c82139" xlink:href="cmc-20260831.xsd#cmc_DefinedBenefitPlanPlanAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_01a03465-6914-72d6-a3f8-dadcafec8a98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_cmc_DefinedBenefitPlanPlanAssetsNet_01a03465-6914-74c6-8337-a48e87c82139" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_01a03465-6914-72d6-a3f8-dadcafec8a98" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/EARNINGSPERSHARECalculationsofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#EARNINGSPERSHARECalculationsofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/EARNINGSPERSHARECalculationsofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a03465-6914-7086-8d91-0228b469eb7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a03465-6914-7542-9daf-24501a195e9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a03465-6914-7086-8d91-0228b469eb7e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a03465-6914-7542-9daf-24501a195e9b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a03465-6914-7ef9-aafa-c29848b68306" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a03465-6914-7086-8d91-0228b469eb7e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a03465-6914-7ef9-aafa-c29848b68306" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.cmc.com/role/SEGMENTINFORMATIONSummaryofCertainFinancialInformationfromContinuingOperationsbyReportableSegmentDetails" xlink:type="simple" xlink:href="cmc-20260831.xsd#SEGMENTINFORMATIONSummaryofCertainFinancialInformationfromContinuingOperationsbyReportableSegmentDetails"/>
  <link:calculationLink xlink:role="http://www.cmc.com/role/SEGMENTINFORMATIONSummaryofCertainFinancialInformationfromContinuingOperationsbyReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_cmc_AdjustedOperatingProfitLossFromContinuingOperation_01a03465-6914-74fc-8e76-33e19093204f" xlink:href="cmc-20260831.xsd#cmc_AdjustedOperatingProfitLossFromContinuingOperation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_cmc_AdjustedOperatingProfitLossFromContinuingOperation_01a03465-6914-74fc-8e76-33e19093204f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_01a03465-6914-76c8-8aec-879311cd287b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_us-gaap_InterestExpenseOperating_01a03465-6914-76c8-8aec-879311cd287b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_01a03465-6914-73b0-9967-2375d8ef0e27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_01a03465-6914-73b0-9967-2375d8ef0e27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_01a03465-6914-7c3a-8cb7-2c66e0a83133" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_us-gaap_AssetImpairmentCharges_01a03465-6914-7c3a-8cb7-2c66e0a83133" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnCommodityContracts_01a03465-6914-734d-a325-aef8f85bf565" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnCommodityContracts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_us-gaap_UnrealizedGainLossOnCommodityContracts_01a03465-6914-734d-a325-aef8f85bf565" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_01a03465-6914-7641-b17a-c92b4f621bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_01a03465-6914-79d7-ad96-e04f266954c4" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_01a03465-6914-7641-b17a-c92b4f621bbd" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
