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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e848d-feb8-774c-a002-d986cef203bd,g:47b1d6d3-8cf0-48cf-81a2-cd251efbb5f0-->
<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.qxo.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="qxo-20260630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e848e-0022-7769-af7d-9ac7ba408d08" 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_019e848e-0022-7eac-a3e5-e0e8a8caf47a" 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_019e848e-0022-7769-af7d-9ac7ba408d08" xlink:to="loc_us-gaap_Liabilities_019e848e-0022-7eac-a3e5-e0e8a8caf47a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019e848e-0022-758b-9def-5e87d9ac99a1" 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_019e848e-0022-7769-af7d-9ac7ba408d08" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019e848e-0022-758b-9def-5e87d9ac99a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e848e-0022-703e-ba37-7b2ded623d24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e848e-0022-7769-af7d-9ac7ba408d08" xlink:to="loc_us-gaap_StockholdersEquity_019e848e-0022-703e-ba37-7b2ded623d24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_019f0227-6c9f-7720-bb82-fcdb99a58cb0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e848e-0022-7769-af7d-9ac7ba408d08" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_019f0227-6c9f-7720-bb82-fcdb99a58cb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" 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_AssetsCurrent_019e848e-0022-7ddf-921b-44fdc71153f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_AssetsCurrent_019e848e-0022-7ddf-921b-44fdc71153f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e848e-0022-7cf2-ae32-9c0ed3999e0b" 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_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_Goodwill_019e848e-0022-7cf2-ae32-9c0ed3999e0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e848e-0022-7c54-ae2c-ac78deefe211" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e848e-0022-7c54-ae2c-ac78deefe211" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019e848e-0022-7927-bdaf-a22cca4b4738" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019e848e-0022-7927-bdaf-a22cca4b4738" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019e848e-0022-7074-a72d-508938fdd9f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019e848e-0022-7074-a72d-508938fdd9f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e848e-0022-7508-944d-196515b03554" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e848e-0022-7f61-92b3-b9266860aa6e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e848e-0022-7508-944d-196515b03554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" 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_OtherLiabilitiesNoncurrent_019e848e-0022-7d97-b1d4-72e53239c6ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019e848e-0022-7d97-b1d4-72e53239c6ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019e848e-0022-7798-810c-4668fa9f9054" 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_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019e848e-0022-7798-810c-4668fa9f9054" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019e848e-0022-7e8e-9874-7a065eadbf5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019e848e-0022-7e8e-9874-7a065eadbf5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7d27-bffd-9735d1ee1797" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7d27-bffd-9735d1ee1797" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019e848e-0022-7271-8afe-403ab4774fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019e848e-0022-7271-8afe-403ab4774fa3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019e848e-0022-75ca-895e-07ac20fbb084" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019e848e-0022-75ca-895e-07ac20fbb084" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLineOfCredit_019fa86a-c55c-7942-ba23-13a1c6a8cd02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermLineOfCredit"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e848e-0022-7582-af3e-569dff6ccb7d" xlink:to="loc_us-gaap_LongTermLineOfCredit_019fa86a-c55c-7942-ba23-13a1c6a8cd02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" 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_CashAndCashEquivalentsAtCarryingValue_019e848e-0022-77c9-bf23-329b4a49c3a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e848e-0022-77c9-bf23-329b4a49c3a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019e848e-0022-73fd-a3bd-f97c51694bee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019e848e-0022-73fd-a3bd-f97c51694bee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019e848e-0022-7024-83e1-10c31e6e1796" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_us-gaap_InventoryNet_019e848e-0022-7024-83e1-10c31e6e1796" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019e848e-0022-748e-84d1-79aa6fdd9072" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019e848e-0022-748e-84d1-79aa6fdd9072" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_VendorRebatesReceivable_019e848e-0022-7fa8-bc3f-39d3a40fa4cc" xlink:href="qxo-20260630.xsd#qxo_VendorRebatesReceivable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_qxo_VendorRebatesReceivable_019e848e-0022-7fa8-bc3f-39d3a40fa4cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_019e848e-0022-73f3-b4b0-2937319cdb8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxesReceivable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e848e-0022-7f0b-92f1-954bdff2eeb5" xlink:to="loc_us-gaap_IncomeTaxesReceivable_019e848e-0022-73f3-b4b0-2937319cdb8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7279-a70d-fdaa540fc0e0" 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_AccountsPayableCurrent_019e848e-0022-770b-8fd7-2dedd499ddee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7279-a70d-fdaa540fc0e0" xlink:to="loc_us-gaap_AccountsPayableCurrent_019e848e-0022-770b-8fd7-2dedd499ddee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-0022-757d-94dd-33b6a4be3717" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7279-a70d-fdaa540fc0e0" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-0022-757d-94dd-33b6a4be3717" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e848e-0022-7634-8325-02d69ba1bcef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7279-a70d-fdaa540fc0e0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e848e-0022-7634-8325-02d69ba1bcef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_019e848e-0022-79a8-bbcf-cc2012537281" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e848e-0022-7279-a70d-fdaa540fc0e0" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_019e848e-0022-79a8-bbcf-cc2012537281" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e848e-0022-7bb8-b410-544077c8969d" 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_019e848e-0022-771b-80b0-879b64bba9a4" 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_019e848e-0022-7bb8-b410-544077c8969d" xlink:to="loc_us-gaap_CommonStockValue_019e848e-0022-771b-80b0-879b64bba9a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019e848e-0022-79a9-83f1-58824d6e467b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e848e-0022-7bb8-b410-544077c8969d" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019e848e-0022-79a9-83f1-58824d6e467b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e848e-0022-7e4a-9799-bb26040911e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e848e-0022-7bb8-b410-544077c8969d" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e848e-0022-7e4a-9799-bb26040911e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e848e-0022-70f5-b461-df05b81a6125" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e848e-0022-7bb8-b410-544077c8969d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e848e-0022-70f5-b461-df05b81a6125" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019e848e-0022-784e-8c40-c2d779813964" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e848e-0022-7bb8-b410-544077c8969d" xlink:to="loc_us-gaap_PreferredStockValue_019e848e-0022-784e-8c40-c2d779813964" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="qxo-20260630.xsd#CondensedConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019e848e-0022-7efe-90f7-f942ec0d9e2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019e848e-0022-742b-9536-888e5b9b44e8" 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_OperatingExpenses_019e848e-0022-7efe-90f7-f942ec0d9e2d" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019e848e-0022-742b-9536-888e5b9b44e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e848e-0022-7b10-a4dc-b2cc4d4c565a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019e848e-0022-7efe-90f7-f942ec0d9e2d" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e848e-0022-7b10-a4dc-b2cc4d4c565a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e848e-0022-746f-908d-c32ec47de59c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019e848e-0022-7efe-90f7-f942ec0d9e2d" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e848e-0022-746f-908d-c32ec47de59c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e848e-0022-73c1-baf1-a4cba61f20aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e848e-0022-7da0-9199-4db9a2935c67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019e848e-0022-73c1-baf1-a4cba61f20aa" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e848e-0022-7da0-9199-4db9a2935c67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e848e-0022-7bf2-b277-b252d24231b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019e848e-0022-73c1-baf1-a4cba61f20aa" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e848e-0022-7bf2-b277-b252d24231b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e848e-0022-7fff-b89b-77ab87b04b38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e848e-0022-7b82-b69c-b4cb1ba9ace6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-0022-7fff-b89b-77ab87b04b38" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e848e-0022-7b82-b69c-b4cb1ba9ace6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-774f-9c6a-f0186026aa0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-0022-7fff-b89b-77ab87b04b38" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-774f-9c6a-f0186026aa0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-7925-9564-4c4b7e1898ee" 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_OperatingIncomeLoss_019e848e-0022-70ef-9a06-563f2b3cd8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-7925-9564-4c4b7e1898ee" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e848e-0022-70ef-9a06-563f2b3cd8ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e848e-0022-7e3c-90fc-6818a20c6019" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-7925-9564-4c4b7e1898ee" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e848e-0022-7e3c-90fc-6818a20c6019" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e848e-0022-7ce5-bf5a-3a414fcc2974" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-7925-9564-4c4b7e1898ee" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e848e-0022-7ce5-bf5a-3a414fcc2974" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019eb122-7a31-7f2e-9a81-b5c7cc1b9e6c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e848e-0022-7925-9564-4c4b7e1898ee" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019eb122-7a31-7f2e-9a81-b5c7cc1b9e6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e848e-0022-7ec7-9e7e-cc8f3a13d831" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e848e-0022-762c-8f05-6990f32b6df8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e848e-0022-7ec7-9e7e-cc8f3a13d831" xlink:to="loc_us-gaap_GrossProfit_019e848e-0022-762c-8f05-6990f32b6df8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019e848e-0022-79a9-b28b-4b2c9bde4251" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e848e-0022-7ec7-9e7e-cc8f3a13d831" xlink:to="loc_us-gaap_OperatingExpenses_019e848e-0022-79a9-b28b-4b2c9bde4251" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/CondensedConsolidatedStatementsofComprehensiveLoss" xlink:type="simple" xlink:href="qxo-20260630.xsd#CondensedConsolidatedStatementsofComprehensiveLoss"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/CondensedConsolidatedStatementsofComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e848e-0022-76d8-b27e-8b76144c7575" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019e848e-0022-7402-b11c-cf737baf10ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e848e-0022-76d8-b27e-8b76144c7575" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019e848e-0022-7402-b11c-cf737baf10ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e848e-0022-760b-85e4-c3ea17d4d4e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e848e-0022-7fa6-ad95-237e6d654fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e848e-0022-760b-85e4-c3ea17d4d4e4" xlink:to="loc_us-gaap_NetIncomeLoss_019e848e-0022-7fa6-ad95-237e6d654fbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e848e-0022-7cdc-a6bb-b3e64c40f52b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e848e-0022-760b-85e4-c3ea17d4d4e4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e848e-0022-7cdc-a6bb-b3e64c40f52b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="qxo-20260630.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e848e-0022-70e3-8bec-592be2433a8c" 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_019e848e-0022-74fd-ba60-1af2787c6dcd" 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_019e848e-0022-70e3-8bec-592be2433a8c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-74fd-ba60-1af2787c6dcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7c77-86bd-651c6f4dd87d" 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_019e848e-0022-70e3-8bec-592be2433a8c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7c77-86bd-651c6f4dd87d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-7d21-a23e-750ce7ce7a83" 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_019e848e-0022-70e3-8bec-592be2433a8c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-7d21-a23e-750ce7ce7a83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e848e-0022-7290-826c-3d977356b831" 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_019e848e-0022-70e3-8bec-592be2433a8c" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e848e-0022-7290-826c-3d977356b831" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" 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_ProceedsFromLongTermLinesOfCredit_019e848e-0022-7374-955b-b7af2cd691af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019e848e-0022-7374-955b-b7af2cd691af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_019e848e-0022-7ec0-baf1-efae5b5ce775" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_019e848e-0022-7ec0-baf1-efae5b5ce775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_ProceedsFromIssuanceOfTermLoan_019e848e-0022-743c-87be-7e567be5fa30" xlink:href="qxo-20260630.xsd#qxo_ProceedsFromIssuanceOfTermLoan"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_qxo_ProceedsFromIssuanceOfTermLoan_019e848e-0022-743c-87be-7e567be5fa30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_RepaymentsOfTermLoan_019e848e-0022-71e8-98c1-95982f295563" xlink:href="qxo-20260630.xsd#qxo_RepaymentsOfTermLoan"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_qxo_RepaymentsOfTermLoan_019e848e-0022-71e8-98c1-95982f295563" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_019e848e-0022-7f70-b1ca-e42166dd2432" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_019e848e-0022-7f70-b1ca-e42166dd2432" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e848e-0022-7abb-955f-6228c509fec5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e848e-0022-7abb-955f-6228c509fec5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_PaymentsUnderEquipmentFinancingFacilitiesAndFinanceLeases_019e848e-0022-7a58-b8a9-cc44e274cd4b" xlink:href="qxo-20260630.xsd#qxo_PaymentsUnderEquipmentFinancingFacilitiesAndFinanceLeases"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_qxo_PaymentsUnderEquipmentFinancingFacilitiesAndFinanceLeases_019e848e-0022-7a58-b8a9-cc44e274cd4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019eb145-17bf-7e60-848d-bf904ada1477" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019eb145-17bf-7e60-848d-bf904ada1477" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts_019eb145-17bf-758d-9ccc-1558a62a065a" xlink:href="qxo-20260630.xsd#qxo_ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_qxo_ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts_019eb145-17bf-758d-9ccc-1558a62a065a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_019eb145-17bf-73a0-a020-1da05e92c88a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_019eb145-17bf-73a0-a020-1da05e92c88a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_019eb145-17bf-7969-a194-1c461a9b952a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_019eb145-17bf-7969-a194-1c461a9b952a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants_019fc77d-8fda-76aa-a93f-aa8830f87bd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants_019fc77d-8fda-76aa-a93f-aa8830f87bd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019fd805-5f09-71e4-ba34-6306a3eda9dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019fd805-5f09-71e4-ba34-6306a3eda9dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_PaymentsOfOrdinaryDividendsMandatoryConvertiblePreferredStock_019fdcca-7c70-77ec-abf1-d5e67210adca" xlink:href="qxo-20260630.xsd#qxo_PaymentsOfOrdinaryDividendsMandatoryConvertiblePreferredStock"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_qxo_PaymentsOfOrdinaryDividendsMandatoryConvertiblePreferredStock_019fdcca-7c70-77ec-abf1-d5e67210adca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_019fdccb-0961-71a2-97f1-f37ef866986d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e848e-0022-71e9-8e1e-abad3f78aa5e" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_019fdccb-0961-71a2-97f1-f37ef866986d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7437-9654-ab864b434b80" 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_PaymentsToAcquireProductiveAssets_019e848e-0022-7261-a678-da47c3b46d55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7437-9654-ab864b434b80" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019e848e-0022-7261-a678-da47c3b46d55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019e848e-0022-7f0c-8cda-d624444e97ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7437-9654-ab864b434b80" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019e848e-0022-7f0c-8cda-d624444e97ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019eb145-6b55-7f3d-a539-4be6f533a90b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e848e-0022-7437-9654-ab864b434b80" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019eb145-6b55-7f3d-a539-4be6f533a90b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" 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_NetIncomeLoss_019e848e-0022-7967-9b5a-3e8d46b1efd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_NetIncomeLoss_019e848e-0022-7967-9b5a-3e8d46b1efd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e848e-0022-7236-8d3a-68addd2d1c35" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_Depreciation_019e848e-0022-7236-8d3a-68addd2d1c35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e848e-0022-7072-99e9-3944b903da8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e848e-0022-7072-99e9-3944b903da8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019e848e-0022-75b0-b1fd-8aa151ac00ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_ShareBasedCompensation_019e848e-0022-75b0-b1fd-8aa151ac00ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_019e848e-0022-7fee-968a-b89315633f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_019e848e-0022-7fee-968a-b89315633f5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e848e-0022-7e90-8022-5bb13fcebaf6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e848e-0022-7e90-8022-5bb13fcebaf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019e848e-0022-73d4-8e97-ef609cf735f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019e848e-0022-73d4-8e97-ef609cf735f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_019e848e-0022-7c7a-b2aa-315b41bb8d1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_019e848e-0022-7c7a-b2aa-315b41bb8d1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019e848e-0022-79f1-97ce-cd094c1032cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019e848e-0022-79f1-97ce-cd094c1032cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019e848e-0022-7fac-8cd7-c4ad55caa278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019e848e-0022-7fac-8cd7-c4ad55caa278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019e848e-0022-76cb-9125-87dc0c1af52b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019e848e-0022-76cb-9125-87dc0c1af52b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_IncreaseDecreaseInVendorRebatesReceivable_019e848e-0022-7b1c-87d7-ca085a8ba157" xlink:href="qxo-20260630.xsd#qxo_IncreaseDecreaseInVendorRebatesReceivable"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_qxo_IncreaseDecreaseInVendorRebatesReceivable_019e848e-0022-7b1c-87d7-ca085a8ba157" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_019e848e-0022-7afd-a8d3-7fd194d14f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_019e848e-0022-7afd-a8d3-7fd194d14f8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019e848e-0022-7419-99f5-0bc78d06724a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019e848e-0022-7419-99f5-0bc78d06724a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019e848e-0022-76ab-8f45-ffb227b336ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019e848e-0022-76ab-8f45-ffb227b336ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019eb145-b977-7caa-8d6e-f27349a7de76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e848e-0022-778f-ae61-58a9bc5550bc" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019eb145-b977-7caa-8d6e-f27349a7de76" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofReconciliationofCashandCashEquivalentsDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofReconciliationofCashandCashEquivalentsDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofReconciliationofCashandCashEquivalentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e848e-0022-70bd-9427-cd4c2d5a01a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_019e848e-0022-72e3-be42-c97aad3dc1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e848e-0022-70bd-9427-cd4c2d5a01a2" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_019e848e-0022-72e3-be42-c97aad3dc1e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e848e-0022-78fe-8849-9dbd5bca99dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e848e-0022-70bd-9427-cd4c2d5a01a2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e848e-0022-78fe-8849-9dbd5bca99dd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e848e-0022-7685-b9b7-17a45e03f424" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019e848e-0022-7e1e-9ce9-9bf5fdce9dc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e848e-0022-7685-b9b7-17a45e03f424" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019e848e-0022-7e1e-9ce9-9bf5fdce9dc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019e848e-0023-7be5-8e61-013d1b21ea18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e848e-0022-7685-b9b7-17a45e03f424" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019e848e-0023-7be5-8e61-013d1b21ea18" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e848e-00dd-7231-bb6c-6fb8520cc1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-775c-9fb0-5952c6f92f1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e848e-00dd-7231-bb6c-6fb8520cc1e1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-775c-9fb0-5952c6f92f1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e848e-00dd-7ad6-bddf-e2546bc00fba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e848e-00dd-7231-bb6c-6fb8520cc1e1" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e848e-00dd-7ad6-bddf-e2546bc00fba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-7f4e-8dc0-e37693bd0476" 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_019e848e-00dd-787a-9cce-51adc85d780b" 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_019e848e-00dd-7f4e-8dc0-e37693bd0476" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e848e-00dd-787a-9cce-51adc85d780b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e848e-00dd-7222-9259-922516f2cda7" 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_019e848e-00dd-7f4e-8dc0-e37693bd0476" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e848e-00dd-7222-9259-922516f2cda7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofIntangibleAssetsFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" 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_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019e848e-00dd-7f9a-b6ed-88705f980e01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019e848e-00dd-7f9a-b6ed-88705f980e01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019e848e-00dd-751f-ac52-fbff519b5ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019e848e-00dd-751f-ac52-fbff519b5ac9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019e848e-00dd-7022-b261-6d4b072319ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019e848e-00dd-7022-b261-6d4b072319ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019e848e-00dd-7cab-aa31-65160c4eac04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019e848e-00dd-7cab-aa31-65160c4eac04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019e848e-00dd-7508-ab04-9425f0bca7c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019e848e-00dd-7508-ab04-9425f0bca7c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour_019e848e-00dd-7dd8-a2e8-4a9b44745cee" xlink:href="qxo-20260630.xsd#qxo_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e848e-00dd-75c5-889c-1390c0fcb3d9" xlink:to="loc_qxo_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour_019e848e-00dd-7dd8-a2e8-4a9b44745cee" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofAccruedExpensesDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofAccruedExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofAccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_AccruedInventoryCurrent_019e848e-00dd-70c4-9342-bd25ff5d4f91" xlink:href="qxo-20260630.xsd#qxo_AccruedInventoryCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_qxo_AccruedInventoryCurrent_019e848e-00dd-70c4-9342-bd25ff5d4f91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedInsuranceCurrent_019e848e-00dd-7ba9-8fc2-a11eac0fe35c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedInsuranceCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_us-gaap_AccruedInsuranceCurrent_019e848e-00dd-7ba9-8fc2-a11eac0fe35c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019e848e-00dd-71e3-8812-65848dbed5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019e848e-00dd-71e3-8812-65848dbed5a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_019e848e-00dd-7c81-95b2-476fd2a755da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_us-gaap_InterestPayableCurrent_019e848e-00dd-7c81-95b2-476fd2a755da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_AccruedCustomerRebatesCurrent_019e848e-00dd-7b27-9125-cc7c2c8f5bbd" xlink:href="qxo-20260630.xsd#qxo_AccruedCustomerRebatesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_qxo_AccruedCustomerRebatesCurrent_019e848e-00dd-7b27-9125-cc7c2c8f5bbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_AccruedBusinessAndPropertyTaxesCurrent_019e848e-00dd-7694-b271-5d76ba881817" xlink:href="qxo-20260630.xsd#qxo_AccruedBusinessAndPropertyTaxesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_qxo_AccruedBusinessAndPropertyTaxesCurrent_019e848e-00dd-7694-b271-5d76ba881817" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_019e848e-00dd-7c3e-8762-722d8b3caed4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedProfessionalFeesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_019e848e-00dd-7c3e-8762-722d8b3caed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_AccruedSalesReturnsCurrent_019f26e3-fbd2-7eb1-94b2-02b809016df9" xlink:href="qxo-20260630.xsd#qxo_AccruedSalesReturnsCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_qxo_AccruedSalesReturnsCurrent_019f26e3-fbd2-7eb1-94b2-02b809016df9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_AccruedCustomerAdvancesCurrent_019f26e3-fbd2-7451-82b5-c9a9200c353f" xlink:href="qxo-20260630.xsd#qxo_AccruedCustomerAdvancesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_qxo_AccruedCustomerAdvancesCurrent_019f26e3-fbd2-7451-82b5-c9a9200c353f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019f26e3-fbd2-7645-b898-90b3e4617865" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019e848e-00dd-7191-8ae4-458edbcb24f1" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019f26e3-fbd2-7645-b898-90b3e4617865" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofInterestExpenseIncomeNetDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#BasisofPresentationandSignificantAccountingPoliciesScheduleofInterestExpenseIncomeNetDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/BasisofPresentationandSignificantAccountingPoliciesScheduleofInterestExpenseIncomeNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e848e-00dd-76f1-b101-d63e3a892b15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019e848e-00dd-705b-8fc8-0f07618dc11a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e848e-00dd-76f1-b101-d63e3a892b15" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019e848e-00dd-705b-8fc8-0f07618dc11a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019e848e-00dd-79e9-868f-d97bc6b66d1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e848e-00dd-76f1-b101-d63e3a892b15" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019e848e-00dd-79e9-868f-d97bc6b66d1d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/AcquisitionsScheduleofPurchasePriceDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#AcquisitionsScheduleofPurchasePriceDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/AcquisitionsScheduleofPurchasePriceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationConsiderationTransferredNetOfCashAcquired_019e848e-00dd-7b55-9700-2608d58771d2" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationConsiderationTransferredNetOfCashAcquired"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-792d-993e-32b3a77052ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_qxo_BusinessCombinationConsiderationTransferredNetOfCashAcquired_019e848e-00dd-7b55-9700-2608d58771d2" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-792d-993e-32b3a77052ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_019e848e-00dd-79a7-a018-04e09d834e66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAcquiredFromAcquisition"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_qxo_BusinessCombinationConsiderationTransferredNetOfCashAcquired_019e848e-00dd-7b55-9700-2608d58771d2" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_019e848e-00dd-79a7-a018-04e09d834e66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-73b6-ae62-575865e708c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_019e848e-00dd-76db-bd36-f891952e1a74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-73b6-ae62-575865e708c0" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_019e848e-00dd-76db-bd36-f891952e1a74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationConsiderationTransferredConvertedEquityAttributableToPreCombinationService_019e848e-00dd-73b8-a226-4a228958058c" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationConsiderationTransferredConvertedEquityAttributableToPreCombinationService"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-73b6-ae62-575865e708c0" xlink:to="loc_qxo_BusinessCombinationConsiderationTransferredConvertedEquityAttributableToPreCombinationService_019e848e-00dd-73b8-a226-4a228958058c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationConsiderationTransferredPaymentOfDebtIncludingAccruedInterest_019e848e-00dd-772d-be49-465be15352fc" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationConsiderationTransferredPaymentOfDebtIncludingAccruedInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019e848e-00dd-73b6-ae62-575865e708c0" xlink:to="loc_qxo_BusinessCombinationConsiderationTransferredPaymentOfDebtIncludingAccruedInterest_019e848e-00dd-772d-be49-465be15352fc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/AcquisitionsScheduleofPreliminaryAllocationofthePurchasePriceDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#AcquisitionsScheduleofPreliminaryAllocationofthePurchasePriceDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/AcquisitionsScheduleofPreliminaryAllocationofthePurchasePriceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" 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_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019e848e-00dd-745b-a3b6-5aeaeba807e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019e848e-00dd-745b-a3b6-5aeaeba807e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019e848e-00dd-7549-9b53-4b548331bd97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019e848e-00dd-7549-9b53-4b548331bd97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedAssetAcquiredVendorRebatesReceivableCurrent_019e848e-00dd-7bf2-b138-6495b6ec6c8d" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedAssetAcquiredVendorRebatesReceivableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedAssetAcquiredVendorRebatesReceivableCurrent_019e848e-00dd-7bf2-b138-6495b6ec6c8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedAssetAcquiredIncomeTaxReceivableCurrent_019e848e-00dd-77ce-ade9-0e0a878af85e" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedAssetAcquiredIncomeTaxReceivableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedAssetAcquiredIncomeTaxReceivableCurrent_019e848e-00dd-77ce-ade9-0e0a878af85e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019e848e-00dd-7f8f-9fd8-88d7b550dbcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019e848e-00dd-7f8f-9fd8-88d7b550dbcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019e848e-00dd-70fd-a2e7-f74f6a8fa10a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019e848e-00dd-70fd-a2e7-f74f6a8fa10a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e848e-00dd-7600-9114-547b516b4523" 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_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_Goodwill_019e848e-00dd-7600-9114-547b516b4523" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_019e848e-00dd-7cda-92f9-59a856860bd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_019e848e-00dd-7cda-92f9-59a856860bd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssetsNet_019e848e-00dd-76e9-859b-9e224e49e04a" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssetsNet"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssetsNet_019e848e-00dd-76e9-859b-9e224e49e04a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019e848e-00dd-7f15-86c1-bb6e66db5e55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019e848e-00dd-7f15-86c1-bb6e66db5e55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019e848e-00dd-7936-a023-1f2e8dc5b109" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019e848e-00dd-7936-a023-1f2e8dc5b109" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedAccruedExpenses_019e848e-00dd-792c-b8c7-c900f1f8d6bf" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedLiabilityAssumedAccruedExpenses"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedAccruedExpenses_019e848e-00dd-792c-b8c7-c900f1f8d6bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_019e848e-00dd-7d8a-8869-a9fc696fc172" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_019e848e-00dd-7d8a-8869-a9fc696fc172" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_019e848e-00dd-7aa9-a902-3eff6bb814d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_019e848e-00dd-7aa9-a902-3eff6bb814d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilities_019e848e-00dd-74d2-bf72-14a822fd3cd8" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilities"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilities_019e848e-00dd-74d2-bf72-14a822fd3cd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseLiabilities_019e848e-00dd-7509-a209-85a7f3db4543" xlink:href="qxo-20260630.xsd#qxo_BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseLiabilities"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019e848e-00dd-7788-8c4d-de3a41119b50" xlink:to="loc_qxo_BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseLiabilities_019e848e-00dd-7509-a209-85a7f3db4543" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/SegmentReportingandGeographicInformationScheduleofSegmentInformationDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#SegmentReportingandGeographicInformationScheduleofSegmentInformationDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/SegmentReportingandGeographicInformationScheduleofSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e848e-00dd-740b-b06a-ed42be5642ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e848e-00dd-740b-b06a-ed42be5642ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e848e-00dd-787f-aa10-1392168a7eee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e848e-00dd-787f-aa10-1392168a7eee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e848e-00dd-7d5e-accd-c41c29517736" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e848e-00dd-7d5e-accd-c41c29517736" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019e848e-00dd-7e80-b2d2-7402e1678ddb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019e848e-00dd-7e80-b2d2-7402e1678ddb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019e848e-00dd-7333-97e6-c6ad1dd1a407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e848e-00dd-7665-99b0-3d2dd2543a6a" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019e848e-00dd-7333-97e6-c6ad1dd1a407" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/EarningsLossPerCommonShareScheduleofEarningsPerShareBasicandDilutedDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#EarningsLossPerCommonShareScheduleofEarningsPerShareBasicandDilutedDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/EarningsLossPerCommonShareScheduleofEarningsPerShareBasicandDilutedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e848e-00de-7186-a97d-d11d2c67e436" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:to="loc_us-gaap_NetIncomeLoss_019e848e-00de-7186-a97d-d11d2c67e436" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019e848e-00de-7fd5-be48-a7f48f4c7aab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:to="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019e848e-00de-7fd5-be48-a7f48f4c7aab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019e848e-00de-7768-a4de-755a8b9b2744" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019e848e-00de-7768-a4de-755a8b9b2744" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_MandatoryPreferredStockDividendIncomeStatementImpact_019e848e-00de-72f8-824e-d7511af0b94e" xlink:href="qxo-20260630.xsd#qxo_MandatoryPreferredStockDividendIncomeStatementImpact"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:to="loc_qxo_MandatoryPreferredStockDividendIncomeStatementImpact_019e848e-00de-72f8-824e-d7511af0b94e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStockStock_019f26ee-eca3-774e-ac92-3dd51b30284d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsPreferredStockStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019e848e-00de-7432-9535-475f0b279d06" xlink:to="loc_us-gaap_DividendsPreferredStockStock_019f26ee-eca3-774e-ac92-3dd51b30284d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e848e-00de-7187-92dc-0f0b4279d67b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_019e848e-00de-7473-ae46-321e9d616d9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e848e-00de-7187-92dc-0f0b4279d67b" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_019e848e-00de-7473-ae46-321e9d616d9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_WeightedAverageNumberOfSharesBasicAdjustment_019e848e-00de-779e-be8e-2cf881a5ce96" xlink:href="qxo-20260630.xsd#qxo_WeightedAverageNumberOfSharesBasicAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e848e-00de-7187-92dc-0f0b4279d67b" xlink:to="loc_qxo_WeightedAverageNumberOfSharesBasicAdjustment_019e848e-00de-779e-be8e-2cf881a5ce96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019e848e-00de-7f2c-924f-d20501d5ae27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:to="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019e848e-00de-7f2c-924f-d20501d5ae27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019e848e-00de-7be0-9f6c-50ef6746b006" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019e848e-00de-7be0-9f6c-50ef6746b006" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e848e-00de-7d07-b08d-9d7b822c8822" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:to="loc_us-gaap_NetIncomeLoss_019e848e-00de-7d07-b08d-9d7b822c8822" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_MandatoryPreferredStockDividendIncomeStatementImpact_019e848e-00de-72eb-a348-a6d1ec42bc86" xlink:href="qxo-20260630.xsd#qxo_MandatoryPreferredStockDividendIncomeStatementImpact"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:to="loc_qxo_MandatoryPreferredStockDividendIncomeStatementImpact_019e848e-00de-72eb-a348-a6d1ec42bc86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStockStock_019f26ee-9991-79fd-9bc4-36d396b67365" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsPreferredStockStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019e848e-00de-73a5-891d-66314c145c01" xlink:to="loc_us-gaap_DividendsPreferredStockStock_019f26ee-9991-79fd-9bc4-36d396b67365" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/LeasesScheduleofComponentsofLeaseCostsDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#LeasesScheduleofComponentsofLeaseCostsDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/LeasesScheduleofComponentsofLeaseCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_019e848e-00de-70c7-9ff7-dfad1756dca0" 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_FinanceLeaseRightOfUseAssetAmortization_019e848e-00de-7f9e-b431-990bd62b3a43" 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_us-gaap_LeaseCost_019e848e-00de-70c7-9ff7-dfad1756dca0" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_019e848e-00de-7f9e-b431-990bd62b3a43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_019e848e-00de-73c3-bb17-4b7cd72c097b" 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_us-gaap_LeaseCost_019e848e-00de-70c7-9ff7-dfad1756dca0" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_019e848e-00de-73c3-bb17-4b7cd72c097b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019e848e-00de-732f-8041-9a80bad55c1e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019e848e-00de-70c7-9ff7-dfad1756dca0" xlink:to="loc_us-gaap_OperatingLeaseCost_019e848e-00de-732f-8041-9a80bad55c1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_019e848e-00de-7558-b55b-30c5fc6ab120" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019e848e-00de-70c7-9ff7-dfad1756dca0" xlink:to="loc_us-gaap_VariableLeaseCost_019e848e-00de-7558-b55b-30c5fc6ab120" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/LeasesScheduleofMaturityofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="qxo-20260630.xsd#LeasesScheduleofMaturityofLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/LeasesScheduleofMaturityofLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-7811-8004-ee05ee6a9b33" 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_019e848e-00de-782e-9112-463677ccf117" 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_019e848e-00de-7811-8004-ee05ee6a9b33" xlink:to="loc_us-gaap_OperatingLeaseLiability_019e848e-00de-782e-9112-463677ccf117" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019e848e-00de-7641-a290-40db1a728814" 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_019e848e-00de-7811-8004-ee05ee6a9b33" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019e848e-00de-7641-a290-40db1a728814" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7eb0-a0b1-7cd95372a86e" 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_FinanceLeaseLiabilityUndiscountedExcessAmount_019e848e-00de-7919-9751-ff8943c324cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7eb0-a0b1-7cd95372a86e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_019e848e-00de-7919-9751-ff8943c324cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019e848e-00de-771c-a588-142246f3540e" 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_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7eb0-a0b1-7cd95372a86e" xlink:to="loc_us-gaap_FinanceLeaseLiability_019e848e-00de-771c-a588-142246f3540e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.qxo.com/role/LeasesScheduleofMaturityofLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="qxo-20260630.xsd#LeasesScheduleofMaturityofLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.qxo.com/role/LeasesScheduleofMaturityofLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" 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_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019e848e-00de-7ae8-ab4f-67bc160ecf5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019e848e-00de-7ae8-ab4f-67bc160ecf5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019e848e-00de-7f97-a13a-670674b57f69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019e848e-00de-7f97-a13a-670674b57f69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019e848e-00de-7f86-86ff-5fa627252a05" 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_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019e848e-00de-7f86-86ff-5fa627252a05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_019e848e-00de-7615-8abf-6e8ddb54cdae" xlink:href="qxo-20260630.xsd#qxo_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_qxo_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_019e848e-00de-7615-8abf-6e8ddb54cdae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019e848e-00de-7bf3-aae4-b39119f725dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019e848e-00de-7bf3-aae4-b39119f725dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019e848e-00de-7506-b811-33306c78fc81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019e848e-00de-792a-8ae9-d97f41957e4b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019e848e-00de-7506-b811-33306c78fc81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" 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_FinanceLeaseLiabilityPaymentsDueYearTwo_019e848e-00de-7225-aa1a-128079c3a2a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_019e848e-00de-7225-aa1a-128079c3a2a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_019e848e-00de-7b41-9ac8-1d7454997660" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_019e848e-00de-7b41-9ac8-1d7454997660" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_qxo_FinanceLeaseLiabilityPaymentsDueAfterYearFour_019e848e-00de-7d84-a95a-8bb2191f2762" xlink:href="qxo-20260630.xsd#qxo_FinanceLeaseLiabilityPaymentsDueAfterYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_qxo_FinanceLeaseLiabilityPaymentsDueAfterYearFour_019e848e-00de-7d84-a95a-8bb2191f2762" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_019e848e-00de-73b3-9864-f1597e71b247" 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_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_019e848e-00de-73b3-9864-f1597e71b247" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_019e848e-00de-7a28-906f-d7c0daa79fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_019e848e-00de-7a28-906f-d7c0daa79fdc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_019e848e-00de-7207-b548-1bb515b8a585" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019e848e-00de-7b37-aa92-6964fd248216" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_019e848e-00de-7207-b548-1bb515b8a585" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
