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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019f13fa-d21d-736f-b2af-3af9185b4c52,g:5ce894de-0f30-4048-a6c2-355ca0f20bd4-->
<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.johnsoncontrols.com/role/ConsolidatedStatementsofIncome" xlink:type="simple" xlink:href="jci-20260630.xsd#ConsolidatedStatementsofIncome"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-77a5-8bd8-c6ab5052d413" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7ec2-a31f-6ea3077682f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-77a5-8bd8-c6ab5052d413" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7ec2-a31f-6ea3077682f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019f13fa-d48a-75f4-8013-453c735d593d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-77a5-8bd8-c6ab5052d413" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019f13fa-d48a-75f4-8013-453c735d593d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" 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_GrossProfit_019f13fa-d48a-77cc-a488-4e6888e90239" 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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" xlink:to="loc_us-gaap_GrossProfit_019f13fa-d48a-77cc-a488-4e6888e90239" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019f13fa-d48a-7dbd-a851-6b92e18d730f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019f13fa-d48a-7dbd-a851-6b92e18d730f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_019f13fa-d48a-7ad3-a730-3832eebe614c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostsAndAssetImpairmentCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" xlink:to="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_019f13fa-d48a-7ad3-a730-3832eebe614c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_NetFinancingCharges_019f13fa-d48a-7fc3-8839-675f79d3e273" xlink:href="jci-20260630.xsd#jci_NetFinancingCharges"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" xlink:to="loc_jci_NetFinancingCharges_019f13fa-d48a-7fc3-8839-675f79d3e273" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019f13fa-d48a-7db5-9ca6-08069e87c7f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-7997-a08e-3f4fb9f58354" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019f13fa-d48a-7db5-9ca6-08069e87c7f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019f13fa-d48a-7d15-9238-730e04ae04c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019f13fa-d48a-79e5-bf96-90fd0c64e360" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019f13fa-d48a-7d15-9238-730e04ae04c2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019f13fa-d48a-79e5-bf96-90fd0c64e360" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_019f13fa-d48a-7257-881e-4dfd8bf567cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019f13fa-d48a-7d15-9238-730e04ae04c2" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_019f13fa-d48a-7257-881e-4dfd8bf567cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019f13fa-d48a-72bf-ab79-1acfac649800" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019f13fa-d48a-7404-832c-713a573e7c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019f13fa-d48a-72bf-ab79-1acfac649800" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019f13fa-d48a-7404-832c-713a573e7c0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_019f13fa-d48a-780b-b1a1-6eacb2f1d920" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019f13fa-d48a-72bf-ab79-1acfac649800" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_019f13fa-d48a-780b-b1a1-6eacb2f1d920" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-7c26-b8ea-80086a32ed07" 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_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_019f13fa-d48a-7140-8fe9-f9a74db5ca5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-7c26-b8ea-80086a32ed07" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_019f13fa-d48a-7140-8fe9-f9a74db5ca5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019f13fa-d48a-7a15-8c8c-65e91e429bb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-7c26-b8ea-80086a32ed07" xlink:to="loc_us-gaap_ProfitLoss_019f13fa-d48a-7a15-8c8c-65e91e429bb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-767f-acd1-66f3b5d0bde4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-7c26-b8ea-80086a32ed07" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-767f-acd1-66f3b5d0bde4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019f13fa-d48a-74a5-8ef0-ea257cbf2468" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7e8d-a1f3-9ba1127d4dbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019f13fa-d48a-74a5-8ef0-ea257cbf2468" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7e8d-a1f3-9ba1127d4dbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-76c4-ac31-a8d9726a8122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019f13fa-d48a-74a5-8ef0-ea257cbf2468" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-76c4-ac31-a8d9726a8122" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019f13fa-d48a-78c0-9a9f-9baf32d66432" 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_019f13fa-d48a-7796-ba59-c58c6e8ab43d" 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_019f13fa-d48a-78c0-9a9f-9baf32d66432" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019f13fa-d48a-7796-ba59-c58c6e8ab43d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019f13fa-d48a-7d54-9a5b-972bbf4e1f48" 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_019f13fa-d48a-78c0-9a9f-9baf32d66432" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019f13fa-d48a-7d54-9a5b-972bbf4e1f48" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofIncomeAlternativeCalculationDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#ConsolidatedStatementsofIncomeAlternativeCalculationDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofIncomeAlternativeCalculationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-758b-848c-6142eaa8e76f" 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_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f13fa-d48a-78d9-b4a0-33dd0dda0fed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-758b-848c-6142eaa8e76f" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f13fa-d48a-78d9-b4a0-33dd0dda0fed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019f13fa-d48a-7b59-87e7-36a51bfe7095" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019f13fa-d48a-758b-848c-6142eaa8e76f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019f13fa-d48a-7b59-87e7-36a51bfe7095" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="jci-20260630.xsd#ConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f13fa-d48a-77f8-b12e-69bcf80c8529" 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_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-79fc-b867-3222f97b4548" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f13fa-d48a-77f8-b12e-69bcf80c8529" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-79fc-b867-3222f97b4548" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-77c4-8da9-f2fa9f776589" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f13fa-d48a-77f8-b12e-69bcf80c8529" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-77c4-8da9-f2fa9f776589" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7f5c-95c6-09a1145bec87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019f13fa-d48a-7d07-848e-c75c784b9fe8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7f5c-95c6-09a1145bec87" xlink:to="loc_us-gaap_ProfitLoss_019f13fa-d48a-7d07-848e-c75c784b9fe8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-7057-9db9-e8ab1124ac55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7f5c-95c6-09a1145bec87" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-7057-9db9-e8ab1124ac55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-74f2-8e6f-b177978d754e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019f13fa-d48a-7604-8a5e-f1b73c0219e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-74f2-8e6f-b177978d754e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019f13fa-d48a-7604-8a5e-f1b73c0219e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019f13fa-d48a-780b-a89a-54b939b4b8b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-74f2-8e6f-b177978d754e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019f13fa-d48a-780b-a89a-54b939b4b8b0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofFinancialPosition" xlink:type="simple" xlink:href="jci-20260630.xsd#ConsolidatedStatementsofFinancialPosition"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofFinancialPosition" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f13fa-d48a-73f9-a89d-5d3ca13c060a" 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_LiabilitiesCurrent_019f13fa-d48a-7168-8f14-754575103386" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f13fa-d48a-73f9-a89d-5d3ca13c060a" xlink:to="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7168-8f14-754575103386" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7c2c-add1-a24c785eec7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f13fa-d48a-73f9-a89d-5d3ca13c060a" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7c2c-add1-a24c785eec7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7eb5-92db-bccca91cfb82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019f13fa-d48a-73f9-a89d-5d3ca13c060a" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7eb5-92db-bccca91cfb82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019f13fa-d48a-7d66-a72a-6d76ce170841" 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_019f13fa-d48a-7c52-8d51-9e0c5953a251" 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_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_AssetsCurrent_019f13fa-d48a-7c52-8d51-9e0c5953a251" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019f13fa-d48a-747f-b2b4-6fc719bb85d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019f13fa-d48a-747f-b2b4-6fc719bb85d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019f13fa-d48a-70b5-a10d-947e7141fe5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_Goodwill_019f13fa-d48a-70b5-a10d-947e7141fe5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-704b-878d-53e6cf0eb204" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-704b-878d-53e6cf0eb204" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019f13fa-d48a-7548-92cd-ef26667486bb" 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_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019f13fa-d48a-7548-92cd-ef26667486bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_019f13fa-d48a-785a-a430-668e2f0ea921" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019f13fa-d48a-7d66-a72a-6d76ce170841" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_019f13fa-d48a-785a-a430-668e2f0ea921" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" 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_ShortTermBorrowings_019f13fa-d48a-7e5a-a739-2730112e5cab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_ShortTermBorrowings_019f13fa-d48a-7e5a-a739-2730112e5cab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019f13fa-d48a-7eb0-8938-ffc6a7c80d23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019f13fa-d48a-7eb0-8938-ffc6a7c80d23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019f13fa-d48a-7b44-bcb2-34a25d9645c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_AccountsPayableCurrent_019f13fa-d48a-7b44-bcb2-34a25d9645c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019f13fa-d48a-7a48-958b-2c2334b65ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019f13fa-d48a-7a48-958b-2c2334b65ab6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019f13fa-d48a-7d23-88e3-1933b17fcb1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019f13fa-d48a-7d23-88e3-1933b17fcb1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_019f13fa-d48a-7cc9-942c-96d02f3ddebe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_019f13fa-d48a-7cc9-942c-96d02f3ddebe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f13fa-d48a-7fd2-bee6-a26f242a964f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019f13fa-d48a-7221-83e8-4acc9d54ca7c" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f13fa-d48a-7fd2-bee6-a26f242a964f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7b06-8a37-065ec9365c73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f13fa-d48a-747a-8e82-cea8ec3f2a8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7b06-8a37-065ec9365c73" xlink:to="loc_us-gaap_StockholdersEquity_019f13fa-d48a-747a-8e82-cea8ec3f2a8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019f13fa-d48a-7f6c-b9e6-82af4af79321" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7b06-8a37-065ec9365c73" xlink:to="loc_us-gaap_MinorityInterest_019f13fa-d48a-7f6c-b9e6-82af4af79321" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019f13fa-d48a-7d08-9c83-7ef878e17286" 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_019f13fa-d48a-7360-a98d-7b396e5f0e17" 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_019f13fa-d48a-7d08-9c83-7ef878e17286" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019f13fa-d48a-7360-a98d-7b396e5f0e17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019f13fa-d48a-7bad-808d-8370cfd4f44d" 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_019f13fa-d48a-7d08-9c83-7ef878e17286" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019f13fa-d48a-7bad-808d-8370cfd4f44d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019f13fa-d48a-7162-91d1-4553800e8001" 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_019f13fa-d48a-7d08-9c83-7ef878e17286" xlink:to="loc_us-gaap_InventoryNet_019f13fa-d48a-7162-91d1-4553800e8001" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019f13fa-d48a-7695-8d57-c1d4418bb2aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f13fa-d48a-7d08-9c83-7ef878e17286" xlink:to="loc_us-gaap_OtherAssetsCurrent_019f13fa-d48a-7695-8d57-c1d4418bb2aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f13fa-d48a-71b8-bfd9-96b0db45cefd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019f13fa-d48a-7d08-9c83-7ef878e17286" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019f13fa-d48a-71b8-bfd9-96b0db45cefd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7f82-a330-7f47582f75b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019f13fa-d48a-7c76-8113-555f22ec2278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7f82-a330-7f47582f75b8" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019f13fa-d48a-7c76-8113-555f22ec2278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_019f13fa-d48a-74a1-961b-9b2d74cc59eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7f82-a330-7f47582f75b8" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_019f13fa-d48a-74a1-961b-9b2d74cc59eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019f13fa-d48a-7f74-8815-ac9e932a53b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7f82-a330-7f47582f75b8" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019f13fa-d48a-7f74-8815-ac9e932a53b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_019f13fa-d48a-7785-b48d-86409e97e121" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019f13fa-d48a-7f82-a330-7f47582f75b8" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_019f13fa-d48a-7785-b48d-86409e97e121" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" 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_019f13fa-d48a-7b52-81ce-37602101f680" 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_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_CommonStockValue_019f13fa-d48a-7b52-81ce-37602101f680" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_CommonStockAValueIssued_019f13fa-d48a-7cca-9865-1b2e0682203e" xlink:href="jci-20260630.xsd#jci_CommonStockAValueIssued"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_jci_CommonStockAValueIssued_019f13fa-d48a-7cca-9865-1b2e0682203e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019f13fa-d48a-7571-8b6c-c0f7243fc1c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_PreferredStockValue_019f13fa-d48a-7571-8b6c-c0f7243fc1c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_019f13fa-d48a-7e2a-8927-e72f4cfac679" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_019f13fa-d48a-7e2a-8927-e72f4cfac679" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019f13fa-d48a-7a4c-b46b-1be8b75634c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019f13fa-d48a-7a4c-b46b-1be8b75634c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_019f13fa-d48a-7cb1-a0dc-55077916c648" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_TreasuryStockValue_019f13fa-d48a-7cb1-a0dc-55077916c648" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-78a2-b591-9a23dcd634ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019f13fa-d48a-7c2d-b58b-8ea0172bbc4c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019f13fa-d48a-78a2-b591-9a23dcd634ca" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="jci-20260630.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-791f-9b29-2425f483edc6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019f13fa-d48a-7ff0-9138-d077aec6feb7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-791f-9b29-2425f483edc6" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019f13fa-d48a-7ff0-9138-d077aec6feb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_019f13fa-d48a-7237-9423-9dbea38bebff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-791f-9b29-2425f483edc6" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_019f13fa-d48a-7237-9423-9dbea38bebff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_019f13fa-d48a-7a72-b9c5-bc34566b7167" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-791f-9b29-2425f483edc6" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_019f13fa-d48a-7a72-b9c5-bc34566b7167" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019f13fa-d48a-71d4-b687-88f4b3044033" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7914-ba3c-c4ae6ba3d60c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_019f13fa-d48a-71d4-b687-88f4b3044033" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7914-ba3c-c4ae6ba3d60c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_019f13fa-d48a-7237-beb6-9121adf86ca1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_019f13fa-d48a-71d4-b687-88f4b3044033" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_019f13fa-d48a-7237-beb6-9121adf86ca1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7bed-bb39-600159c4df52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f13fa-d48a-7bed-bb39-600159c4df52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019f13fa-d48a-76a0-8704-871f69fcd067" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019f13fa-d48a-76a0-8704-871f69fcd067" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_019f13fa-d48a-75c8-95e2-9d2ae124be9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_019f13fa-d48a-75c8-95e2-9d2ae124be9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019f13fa-d48a-7d3b-a54e-d41b27be484e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019f13fa-d48a-7d3b-a54e-d41b27be484e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019f13fa-d48a-70d8-a501-111f4f18a83f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_AssetImpairmentCharges_019f13fa-d48a-70d8-a501-111f4f18a83f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019f13fa-d48a-7244-950a-ab51e22e8fd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_ShareBasedCompensation_019f13fa-d48a-7244-950a-ab51e22e8fd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_019f13fa-d48a-7b40-98a3-6a83d4904b39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_019f13fa-d48a-7b40-98a3-6a83d4904b39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019f13fa-d48a-787e-b86f-5752a4c007be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019f13fa-d48a-787e-b86f-5752a4c007be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019f13fa-d48a-708b-81c7-27e8841a2dfc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019f13fa-d48a-708b-81c7-27e8841a2dfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019f13fa-d48a-7c23-89c7-6a9713e69c83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019f13fa-d48a-7c23-89c7-6a9713e69c83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019f13fa-d48a-7bb2-b507-2ef623ae2cbd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019f13fa-d48a-7bb2-b507-2ef623ae2cbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRestructuringReserve_019f13fa-d48a-775f-8638-39753e95f7ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInRestructuringReserve"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInRestructuringReserve_019f13fa-d48a-775f-8638-39753e95f7ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019f13fa-d48a-7068-972e-310b32b83bbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019f13fa-d48a-7068-972e-310b32b83bbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_019f13fa-d48a-755c-9271-ec64cc444582" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7d53-9206-f55d72723af7" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_019f13fa-d48a-755c-9271-ec64cc444582" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-72fa-b48e-9d3167f3fc2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019f13fa-d48a-7ff5-8940-66249809fbdc" 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_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-72fa-b48e-9d3167f3fc2e" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019f13fa-d48a-7ff5-8940-66249809fbdc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019f13fa-d48a-7c1d-840b-1516fb089c43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-72fa-b48e-9d3167f3fc2e" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019f13fa-d48a-7c1d-840b-1516fb089c43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019f13fa-d48a-7714-9cf7-d6a5bd5751fc" 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_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-72fa-b48e-9d3167f3fc2e" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019f13fa-d48a-7714-9cf7-d6a5bd5751fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019f60ba-3740-7e2b-b579-cd39462abf7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-72fa-b48e-9d3167f3fc2e" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019f60ba-3740-7e2b-b579-cd39462abf7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f13fa-d48a-7c3e-abb3-78434a7d10a7" 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_CashAndCashEquivalentsAtCarryingValue_019f13fa-d48a-77dd-a7ce-b5ba9550ed0c" 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f13fa-d48a-7c3e-abb3-78434a7d10a7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019f13fa-d48a-77dd-a7ce-b5ba9550ed0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019f13fa-d48a-7062-93e2-650c54d30d86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019f13fa-d48a-7c3e-abb3-78434a7d10a7" xlink:to="loc_us-gaap_RestrictedCash_019f13fa-d48a-7062-93e2-650c54d30d86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" 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_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7398-8b55-0fc9f5ea6b2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019f13fa-d48a-7398-8b55-0fc9f5ea6b2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-7f4c-987e-e6dd24d18a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019f13fa-d48a-7f4c-987e-e6dd24d18a0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-7071-bf20-2bc11add5c16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-7071-bf20-2bc11add5c16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-7c50-b2b6-7b31fe0a43dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_019f13fa-d48a-7c50-b2b6-7b31fe0a43dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019f13fa-d48a-7ce5-9390-d5535df88c95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019f13fa-d48a-7ce5-9390-d5535df88c95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_ChangeInCashCashEquivalentsAndRestrictedCashHeldForSale_019f13fa-d48a-76f4-b97e-03d1c0770e20" xlink:href="jci-20260630.xsd#jci_ChangeInCashCashEquivalentsAndRestrictedCashHeldForSale"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019f13fa-d48a-7f24-9b07-a482a6864aec" xlink:to="loc_jci_ChangeInCashCashEquivalentsAndRestrictedCashHeldForSale_019f13fa-d48a-76f4-b97e-03d1c0770e20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_019f13fa-d48a-71f4-badc-06490db1ce48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_019f13fa-d48a-71f4-badc-06490db1ce48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019f13fa-d48a-79ba-9841-f4f260af9dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019f13fa-d48a-79ba-9841-f4f260af9dc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_019f13fa-d48a-7732-830c-d582ceeaa3e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_RepaymentsOfDebt_019f13fa-d48a-7732-830c-d582ceeaa3e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019f13fa-d48a-7164-8885-890723132e46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019f13fa-d48a-7164-8885-890723132e46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019f13fa-d48a-7fb3-8f9a-29f7f0fd93db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019f13fa-d48a-7fb3-8f9a-29f7f0fd93db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019f13fa-d48a-7b3d-96c9-d406369ac830" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019f13fa-d48a-7b3d-96c9-d406369ac830" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019f13fa-d48a-7756-968f-2a676f8cd5b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019f13fa-d48a-78bf-9756-6f2eeef66c2e" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019f13fa-d48a-7756-968f-2a676f8cd5b5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/AcquisitionandDivestituresSummarizedResultsofDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#AcquisitionandDivestituresSummarizedResultsofDiscontinuedOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/AcquisitionandDivestituresSummarizedResultsofDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019f13fa-d48a-7710-ad99-48d2fa4a25db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_019f13fa-d48a-7038-9de4-22b459d0fcee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019f13fa-d48a-7710-ad99-48d2fa4a25db" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_019f13fa-d48a-7038-9de4-22b459d0fcee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_019f13fa-d48a-7f1c-9db8-bdf6bbad19bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019f13fa-d48a-7710-ad99-48d2fa4a25db" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_019f13fa-d48a-7f1c-9db8-bdf6bbad19bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_019f13fa-d48a-76ef-99a5-131563ecfa8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_019f13fa-d48a-76ef-99a5-131563ecfa8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpense_019f13fa-d48a-774a-a905-25392435ed72" xlink:href="jci-20260630.xsd#jci_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:to="loc_jci_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpense_019f13fa-d48a-774a-a905-25392435ed72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_DisposalGroupIncludingDiscontinuedOperationEquityIncome_019f13fa-d48a-7dc9-89b5-05d9aa28609f" xlink:href="jci-20260630.xsd#jci_DisposalGroupIncludingDiscontinuedOperationEquityIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:to="loc_jci_DisposalGroupIncludingDiscontinuedOperationEquityIncome_019f13fa-d48a-7dc9-89b5-05d9aa28609f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_DisposalGroupIncludingDiscontinuedOperationRestructuringAndImpairmentCosts_019f13fa-d48a-784b-bd4d-8af6e433549f" xlink:href="jci-20260630.xsd#jci_DisposalGroupIncludingDiscontinuedOperationRestructuringAndImpairmentCosts"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:to="loc_jci_DisposalGroupIncludingDiscontinuedOperationRestructuringAndImpairmentCosts_019f13fa-d48a-784b-bd4d-8af6e433549f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019f13fa-d48a-7884-8073-14828552ac95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-7822-863a-2f5c1273241d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_019f13fa-d48a-7884-8073-14828552ac95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7a5a-990b-1caf53c2daa4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-775e-8562-f4b776ab93b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7a5a-990b-1caf53c2daa4" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_019f13fa-d48a-775e-8562-f4b776ab93b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_019f13fa-d48a-7a22-b339-98a9b59b37e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7a5a-990b-1caf53c2daa4" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_019f13fa-d48a-7a22-b339-98a9b59b37e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f13fa-d48a-7bee-b785-d5592d49ed9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7841-bde9-0f41b5cb96f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f13fa-d48a-7bee-b785-d5592d49ed9e" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f13fa-d48a-7841-bde9-0f41b5cb96f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-7901-9b97-bf9c699e05e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019f13fa-d48a-7bee-b785-d5592d49ed9e" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_019f13fa-d48a-7901-9b97-bf9c699e05e5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/RevenueRecognitionPerformanceObligationsandCoststoObtainorFulfillaContractDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#RevenueRecognitionPerformanceObligationsandCoststoObtainorFulfillaContractDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/RevenueRecognitionPerformanceObligationsandCoststoObtainorFulfillaContractDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_019f13fa-d48a-728e-81e1-6d9425c3354d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetCurrent_019f13fa-d48a-7775-a1c1-bd524acbc2d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019f13fa-d48a-728e-81e1-6d9425c3354d" xlink:to="loc_us-gaap_CapitalizedContractCostNetCurrent_019f13fa-d48a-7775-a1c1-bd524acbc2d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019f13fa-d48a-75ab-a545-aaef40bc1c01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNetNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019f13fa-d48a-728e-81e1-6d9425c3354d" xlink:to="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019f13fa-d48a-75ab-a545-aaef40bc1c01" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/InventoriesDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#InventoriesDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019f13fa-d48a-71db-b06a-b3bffacfb898" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_019f13fa-d48a-72ee-98ff-2b32edbe139c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryRawMaterialsNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019f13fa-d48a-71db-b06a-b3bffacfb898" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_019f13fa-d48a-72ee-98ff-2b32edbe139c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_019f13fa-d48a-720f-bcf6-81916a8720d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019f13fa-d48a-71db-b06a-b3bffacfb898" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_019f13fa-d48a-720f-bcf6-81916a8720d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019f13fa-d48a-7a7c-8755-dab84a3acb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019f13fa-d48a-71db-b06a-b3bffacfb898" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019f13fa-d48a-7a7c-8755-dab84a3acb7b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsChangesinCarryingAmountofGoodwillDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#GoodwillandOtherIntangibleAssetsChangesinCarryingAmountofGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsChangesinCarryingAmountofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019f13fa-d48a-7c32-b2f1-339162236645" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_019f13fa-d48a-7545-8c20-9e10534eff42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_019f13fa-d48a-7c32-b2f1-339162236645" xlink:to="loc_us-gaap_GoodwillGross_019f13fa-d48a-7545-8c20-9e10534eff42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019f13fa-d48a-755e-ab10-d61cd588827d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_019f13fa-d48a-7c32-b2f1-339162236645" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019f13fa-d48a-755e-ab10-d61cd588827d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019f13fa-d48a-7b9a-87b4-bc34aebd4d63" 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_019f13fa-d48a-7ba5-b105-d2176bff10bd" 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_019f13fa-d48a-7b9a-87b4-bc34aebd4d63" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019f13fa-d48a-7ba5-b105-d2176bff10bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019f13fa-d48a-712e-91f8-f8aa5ef3277c" 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_019f13fa-d48a-7b9a-87b4-bc34aebd4d63" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019f13fa-d48a-712e-91f8-f8aa5ef3277c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019f13fa-d48a-74d5-877b-6351e7809ac4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019f13fa-d48a-7502-b124-66050622df36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019f13fa-d48a-74d5-877b-6351e7809ac4" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019f13fa-d48a-7502-b124-66050622df36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019f13fa-d48a-730e-bad9-e0ba7cb4e49a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019f13fa-d48a-74d5-877b-6351e7809ac4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019f13fa-d48a-730e-bad9-e0ba7cb4e49a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-760a-ac3d-8cf89937115f" 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_FiniteLivedIntangibleAssetsAccumulatedAmortization_019f13fa-d48a-7496-8dd1-4df7ee163947" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-760a-ac3d-8cf89937115f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019f13fa-d48a-7496-8dd1-4df7ee163947" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019f13fa-d48a-7946-a1f5-b647af17286a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-760a-ac3d-8cf89937115f" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019f13fa-d48a-7946-a1f5-b647af17286a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails_1" xlink:type="simple" xlink:href="jci-20260630.xsd#GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails_1"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019f13fa-d48a-7db7-ba9b-426699676389" 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_019f13fa-d48a-7689-ab0b-9e8b335cb18a" 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_019f13fa-d48a-7db7-ba9b-426699676389" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019f13fa-d48a-7689-ab0b-9e8b335cb18a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019f13fa-d48a-7e44-980f-91b70104714b" 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_019f13fa-d48a-7db7-ba9b-426699676389" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019f13fa-d48a-7e44-980f-91b70104714b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/DebtandFinancingArrangementsComponentsofNetFinancingChargesDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#DebtandFinancingArrangementsComponentsofNetFinancingChargesDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/DebtandFinancingArrangementsComponentsofNetFinancingChargesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_jci_NetFinancingCharges_019f13fa-d48a-79c5-956e-84e83972f847" xlink:href="jci-20260630.xsd#jci_NetFinancingCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_019f13fa-d48a-7f42-8488-a2984143d193" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_NetFinancingCharges_019f13fa-d48a-79c5-956e-84e83972f847" xlink:to="loc_us-gaap_InterestExpense_019f13fa-d48a-7f42-8488-a2984143d193" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_OtherFinancingCharges_019f13fa-d48a-7d33-8357-e73150171af6" xlink:href="jci-20260630.xsd#jci_OtherFinancingCharges"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_NetFinancingCharges_019f13fa-d48a-79c5-956e-84e83972f847" xlink:to="loc_jci_OtherFinancingCharges_019f13fa-d48a-7d33-8357-e73150171af6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndOtherIncome_019f13fa-d48a-7e55-b4c2-5305dc35aae4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndOtherIncome"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_NetFinancingCharges_019f13fa-d48a-79c5-956e-84e83972f847" xlink:to="loc_us-gaap_InterestAndOtherIncome_019f13fa-d48a-7e55-b4c2-5305dc35aae4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_NetForeignExchangeResultsForFinancingActivities_019f13fa-d48a-70c3-944d-356a61dbe0e4" xlink:href="jci-20260630.xsd#jci_NetForeignExchangeResultsForFinancingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_NetFinancingCharges_019f13fa-d48a-79c5-956e-84e83972f847" xlink:to="loc_jci_NetForeignExchangeResultsForFinancingActivities_019f13fa-d48a-70c3-944d-356a61dbe0e4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019f13fa-d48a-77ae-ac68-6026d1009843" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_019f13fa-d48a-7826-9016-060540249094" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f13fa-d48a-77ae-ac68-6026d1009843" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_019f13fa-d48a-7826-9016-060540249094" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_019f13fa-d48a-7bfb-a2b1-7683085ec464" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCompensationPlanAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f13fa-d48a-77ae-ac68-6026d1009843" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_019f13fa-d48a-7bfb-a2b1-7683085ec464" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f13fa-d48a-72fb-8ef0-2a4a45e1e3b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019f13fa-d48a-77ae-ac68-6026d1009843" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f13fa-d48a-72fb-8ef0-2a4a45e1e3b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019f13fa-d48a-7150-bb0a-4ac3f2a0ef10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f13fa-d48a-7c2e-b59d-e62218a5cfec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019f13fa-d48a-7150-bb0a-4ac3f2a0ef10" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f13fa-d48a-7c2e-b59d-e62218a5cfec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019f13fa-d48a-73ca-86fa-f3ecea77a738" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019f13fa-d48a-7150-bb0a-4ac3f2a0ef10" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_019f13fa-d48a-73ca-86fa-f3ecea77a738" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/WeightedAverageSharesOutstandingDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#WeightedAverageSharesOutstandingDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/WeightedAverageSharesOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019f13fa-d48a-7b1e-bef9-7d94828a6009" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019f13fa-d48a-7cb1-b11d-7939d19493cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019f13fa-d48a-7b1e-bef9-7d94828a6009" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019f13fa-d48a-7cb1-b11d-7939d19493cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019f13fa-d48a-7307-a580-11290630c957" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019f13fa-d48a-7b1e-bef9-7d94828a6009" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019f13fa-d48a-7307-a580-11290630c957" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/PensionandRetirementPlansDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#PensionandRetirementPlansDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/PensionandRetirementPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019f13fa-d48a-7274-b670-c39fa5a8b840" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019f13fa-d48a-7af5-b5b6-7be140b20f32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019f13fa-d48a-7274-b670-c39fa5a8b840" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019f13fa-d48a-7af5-b5b6-7be140b20f32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019f13fa-d48a-7cc2-8c08-53d4d6636932" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019f13fa-d48a-7274-b670-c39fa5a8b840" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019f13fa-d48a-7cc2-8c08-53d4d6636932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019f13fa-d48a-7af4-9a1b-e164dcccd2c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019f13fa-d48a-7274-b670-c39fa5a8b840" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019f13fa-d48a-7af4-9a1b-e164dcccd2c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019f7322-8d9d-775c-bea5-43755797037a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019f13fa-d48a-7274-b670-c39fa5a8b840" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019f7322-8d9d-775c-bea5-43755797037a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/SegmentInformationFinancialInformationRelatedtoCompanysReportableSegmentsDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#SegmentInformationFinancialInformationRelatedtoCompanysReportableSegmentsDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/SegmentInformationFinancialInformationRelatedtoCompanysReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_jci_EarningsBeforeInterestAndTaxes_019f13fa-d48a-7a0a-802b-d4fd3bf9188b" xlink:href="jci-20260630.xsd#jci_EarningsBeforeInterestAndTaxes"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019f13fa-d48a-7ee8-971a-0869b394b7cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_EarningsBeforeInterestAndTaxes_019f13fa-d48a-7a0a-802b-d4fd3bf9188b" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019f13fa-d48a-7ee8-971a-0869b394b7cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_EarningsBeforeInterestTaxAndAmortization_019f13fa-d48a-7999-9361-7f8b112b5161" xlink:href="jci-20260630.xsd#jci_EarningsBeforeInterestTaxAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_EarningsBeforeInterestAndTaxes_019f13fa-d48a-7a0a-802b-d4fd3bf9188b" xlink:to="loc_jci_EarningsBeforeInterestTaxAndAmortization_019f13fa-d48a-7999-9361-7f8b112b5161" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" 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_jci_EarningsBeforeInterestAndTaxes_019f13fa-d48a-7fb5-ac03-29da28b9846f" xlink:href="jci-20260630.xsd#jci_EarningsBeforeInterestAndTaxes"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_jci_EarningsBeforeInterestAndTaxes_019f13fa-d48a-7fb5-ac03-29da28b9846f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_GeneralCorporateExpenses_019f13fa-d48a-7e23-b729-bfd29b8ca026" xlink:href="jci-20260630.xsd#jci_GeneralCorporateExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_jci_GeneralCorporateExpenses_019f13fa-d48a-7e23-b729-bfd29b8ca026" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019f13fa-d48a-7a4b-826d-ce3e47717432" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_us-gaap_RestructuringCharges_019f13fa-d48a-7a4b-826d-ce3e47717432" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceRecoveries_019f13fa-d48a-796e-bb4d-5a13726dad5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InsuranceRecoveries"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_us-gaap_InsuranceRecoveries_019f13fa-d48a-796e-bb4d-5a13726dad5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_NetFinancingCharges_019f13fa-d48a-7de5-99f8-78b3fe7473fb" xlink:href="jci-20260630.xsd#jci_NetFinancingCharges"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_jci_NetFinancingCharges_019f13fa-d48a-7de5-99f8-78b3fe7473fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_GainLossOnDispositionOfBusinessExcludingImmaterialGains_019f13fa-d48a-7863-b5fb-f6f4fb099201" xlink:href="jci-20260630.xsd#jci_GainLossOnDispositionOfBusinessExcludingImmaterialGains"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_jci_GainLossOnDispositionOfBusinessExcludingImmaterialGains_019f13fa-d48a-7863-b5fb-f6f4fb099201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_MarkToMarketGainLoss_019f13fa-d48a-7c62-b145-c13bc5f4741a" xlink:href="jci-20260630.xsd#jci_MarkToMarketGainLoss"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f13fa-d48a-75a0-bbda-5109abde06d3" xlink:to="loc_jci_MarkToMarketGainLoss_019f13fa-d48a-7c62-b145-c13bc5f4741a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.johnsoncontrols.com/role/CommitmentsandContingenciesScheduleofLossContingenciesbyContingencyDetails" xlink:type="simple" xlink:href="jci-20260630.xsd#CommitmentsandContingenciesScheduleofLossContingenciesbyContingencyDetails"/>
  <link:calculationLink xlink:role="http://www.johnsoncontrols.com/role/CommitmentsandContingenciesScheduleofLossContingenciesbyContingencyDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_019f13fa-d48a-7ea1-89cd-89c13c2cf465" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019f13fa-d48a-718a-9e6c-d30912ff6dcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_019f13fa-d48a-7ea1-89cd-89c13c2cf465" xlink:to="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019f13fa-d48a-718a-9e6c-d30912ff6dcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_019f13fa-d48a-726e-a348-b682344156ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_019f13fa-d48a-7ea1-89cd-89c13c2cf465" xlink:to="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_019f13fa-d48a-726e-a348-b682344156ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndInvestments_019f13fa-d48a-75f8-869e-a1461b14d7f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_019f13fa-d48a-7534-8cbf-e4122a6e5ef7" 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_RestrictedCashAndInvestments_019f13fa-d48a-75f8-869e-a1461b14d7f3" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_019f13fa-d48a-7534-8cbf-e4122a6e5ef7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedInvestments_019f13fa-d48a-7704-a1fb-d0fe811da0b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RestrictedCashAndInvestments_019f13fa-d48a-75f8-869e-a1461b14d7f3" xlink:to="loc_us-gaap_RestrictedInvestments_019f13fa-d48a-7704-a1fb-d0fe811da0b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_jci_EstimatedAsbestosRelatedNetLiabilityOnADiscountedBasis_019f13fa-d48a-7c46-ae9c-44e1c60680f9" xlink:href="jci-20260630.xsd#jci_EstimatedAsbestosRelatedNetLiabilityOnADiscountedBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndInvestments_019f13fa-d48a-7808-bfa0-89c14cd4acc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndInvestments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_EstimatedAsbestosRelatedNetLiabilityOnADiscountedBasis_019f13fa-d48a-7c46-ae9c-44e1c60680f9" xlink:to="loc_us-gaap_RestrictedCashAndInvestments_019f13fa-d48a-7808-bfa0-89c14cd4acc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_019f13fa-d48a-750a-b143-cec7c11bc497" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_jci_EstimatedAsbestosRelatedNetLiabilityOnADiscountedBasis_019f13fa-d48a-7c46-ae9c-44e1c60680f9" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_019f13fa-d48a-750a-b143-cec7c11bc497" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
