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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:4df3d479-c353-47a8-9e05-dede415f4524,g:f8d57dfb-6e29-427e-a17b-e4a6b8ace019-->
<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:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="simple" xlink:href="reyn-20250630.xsd#CondensedConsolidatedStatementsofIncome"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_b02f13a0-ab06-4582-a880-214d08d10d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3649e57c-991d-4ce2-9d25-d0bd52097dde" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_b02f13a0-ab06-4582-a880-214d08d10d5d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3649e57c-991d-4ce2-9d25-d0bd52097dde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ee4c42f1-b4b1-4182-a453-0e5f4cd78741" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_b02f13a0-ab06-4582-a880-214d08d10d5d" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ee4c42f1-b4b1-4182-a453-0e5f4cd78741" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_bcaca852-842e-47b8-80eb-e51b345c1c27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_f89c8914-19f3-40c3-8156-7877ad48db5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_bcaca852-842e-47b8-80eb-e51b345c1c27" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_f89c8914-19f3-40c3-8156-7877ad48db5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_8d1682c1-4d17-4f46-ae52-cfdd28256287" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_bcaca852-842e-47b8-80eb-e51b345c1c27" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_8d1682c1-4d17-4f46-ae52-cfdd28256287" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_fd892fb3-7a3d-49be-9b6d-950ab851d6f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_c8f8d9b2-6ef1-4661-ae8d-73b1873b29ac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_fd892fb3-7a3d-49be-9b6d-950ab851d6f2" xlink:to="loc_us-gaap_GrossProfit_c8f8d9b2-6ef1-4661-ae8d-73b1873b29ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b7eb6f0d-b7ac-4d06-b506-fa9ac2b386d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_fd892fb3-7a3d-49be-9b6d-950ab851d6f2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b7eb6f0d-b7ac-4d06-b506-fa9ac2b386d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_8145a3ce-c28a-4e61-8f21-871d04b075ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_fd892fb3-7a3d-49be-9b6d-950ab851d6f2" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_8145a3ce-c28a-4e61-8f21-871d04b075ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8cce6c94-60ba-4108-9408-1432aa1961ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_d026d4df-02aa-4f68-8b6f-e3a82a5dd544" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8cce6c94-60ba-4108-9408-1432aa1961ca" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_d026d4df-02aa-4f68-8b6f-e3a82a5dd544" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_a46bd666-b6e3-46c3-b69f-a572af934807" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8cce6c94-60ba-4108-9408-1432aa1961ca" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_a46bd666-b6e3-46c3-b69f-a572af934807" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12991995-0e6f-47e6-96f6-9cd06a2f3d03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_ec164e31-bc0f-4fd3-a71c-0b282e55a8ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12991995-0e6f-47e6-96f6-9cd06a2f3d03" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_ec164e31-bc0f-4fd3-a71c-0b282e55a8ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_reyn_GainLossOnDebtModification_7a9e7f23-fd0a-4b3d-a35d-8f383b35cfa2" xlink:href="reyn-20250630.xsd#reyn_GainLossOnDebtModification"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12991995-0e6f-47e6-96f6-9cd06a2f3d03" xlink:to="loc_reyn_GainLossOnDebtModification_7a9e7f23-fd0a-4b3d-a35d-8f383b35cfa2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_cd30816e-4867-4477-a73d-c50dfab1c92c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12991995-0e6f-47e6-96f6-9cd06a2f3d03" xlink:to="loc_us-gaap_InterestExpenseNonoperating_cd30816e-4867-4477-a73d-c50dfab1c92c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="reyn-20250630.xsd#CondensedConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_df33c7ab-f074-475e-be22-69e7a2a19230" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_51c4bf6b-d476-4e00-b58f-9f890990a51c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_df33c7ab-f074-475e-be22-69e7a2a19230" xlink:to="loc_us-gaap_NetIncomeLoss_51c4bf6b-d476-4e00-b58f-9f890990a51c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_d0c07aa0-8a32-49e0-9cc6-356d97702ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_df33c7ab-f074-475e-be22-69e7a2a19230" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_d0c07aa0-8a32-49e0-9cc6-356d97702ce9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5c63df6c-ab37-4844-a0d4-cad4ca8ee702" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent_5e0306e1-067b-439a-aa90-9c985ba6bad4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5c63df6c-ab37-4844-a0d4-cad4ca8ee702" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent_5e0306e1-067b-439a-aa90-9c985ba6bad4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_cc39a8e6-1e40-4a29-ad90-c40dc7ddb90d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5c63df6c-ab37-4844-a0d4-cad4ca8ee702" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_cc39a8e6-1e40-4a29-ad90-c40dc7ddb90d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_4292afff-97f3-43a1-ac43-042d8fba4f84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5c63df6c-ab37-4844-a0d4-cad4ca8ee702" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_4292afff-97f3-43a1-ac43-042d8fba4f84" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="reyn-20250630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_60ff0a89-7454-47b3-8f7a-bee668ddb091" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_60ff0a89-7454-47b3-8f7a-bee668ddb091" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c9ca211e-05ab-4623-8dcf-387713b161f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c9ca211e-05ab-4623-8dcf-387713b161f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_1725ff5e-43d5-453b-8292-e3f7e0ec61ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_InventoryNet_1725ff5e-43d5-453b-8292-e3f7e0ec61ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_57e08548-b88c-4b1b-b0c9-4d6a0ac0f87e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_OtherAssetsCurrent_57e08548-b88c-4b1b-b0c9-4d6a0ac0f87e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_1bf74def-f69b-4a2b-a744-25569e355448" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_1bf74def-f69b-4a2b-a744-25569e355448" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_8bd39f67-0ce0-4ba4-abd4-0d551cde7f59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e0599b24-0bda-446a-9c21-73c990c96665" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_8bd39f67-0ce0-4ba4-abd4-0d551cde7f59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_0d093005-a063-474c-921c-96f7de9b11a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_0d093005-a063-474c-921c-96f7de9b11a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_d3d464aa-9496-43f1-8a0e-1f9ef639f7d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:to="loc_us-gaap_AccountsPayableCurrent_d3d464aa-9496-43f1-8a0e-1f9ef639f7d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_0869e11e-b147-4d10-ac67-15efdf11406e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:to="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_0869e11e-b147-4d10-ac67-15efdf11406e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_49ada5b4-b756-43d5-bfca-f544866712fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_49ada5b4-b756-43d5-bfca-f544866712fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_ea36d209-a3ea-41f4-948b-8878ca60d156" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0c47f073-6b0e-4093-8c47-329da8eac94e" xlink:to="loc_us-gaap_LongTermDebtCurrent_ea36d209-a3ea-41f4-948b-8878ca60d156" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9cadc47c-f1ba-45d0-a32c-470008058107" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_56d64dda-3957-48be-9fa6-69d76200a605" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9cadc47c-f1ba-45d0-a32c-470008058107" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_56d64dda-3957-48be-9fa6-69d76200a605" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_b9cf9104-6563-49d2-bf51-343aecf11395" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9cadc47c-f1ba-45d0-a32c-470008058107" xlink:to="loc_us-gaap_CommonStockValue_b9cf9104-6563-49d2-bf51-343aecf11395" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_759ea4fb-a809-4731-92f0-c95f4af6927b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9cadc47c-f1ba-45d0-a32c-470008058107" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_759ea4fb-a809-4731-92f0-c95f4af6927b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_b73a6d5e-ecff-4fa4-9a6b-54fd015a768e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9cadc47c-f1ba-45d0-a32c-470008058107" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_b73a6d5e-ecff-4fa4-9a6b-54fd015a768e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_712936b5-a167-4670-8c1b-98cd1c436cdb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_AssetsCurrent_712936b5-a167-4670-8c1b-98cd1c436cdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_5ef7fad7-f17d-4471-954d-a62f71064390" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_5ef7fad7-f17d-4471-954d-a62f71064390" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_ac3b5809-28ee-43b8-ac5c-0407975ca5d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_ac3b5809-28ee-43b8-ac5c-0407975ca5d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_0e297b82-5cc6-4379-ae20-4a5b06da4079" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_Goodwill_0e297b82-5cc6-4379-ae20-4a5b06da4079" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_8f6b1909-7594-4399-b521-0f1af6af425a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_8f6b1909-7594-4399-b521-0f1af6af425a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_5e3ffa29-b597-4eb9-bba6-1b6a11c7d205" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7a65a329-55c5-4b6e-a89f-9813a82233a1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_5e3ffa29-b597-4eb9-bba6-1b6a11c7d205" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_af5060c8-c55e-45f1-9ee3-0b72ccbaae05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9467d70a-e82e-4dc7-bd59-7145a27716e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_af5060c8-c55e-45f1-9ee3-0b72ccbaae05" xlink:to="loc_us-gaap_Liabilities_9467d70a-e82e-4dc7-bd59-7145a27716e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_6badb010-bccc-42c2-9ad3-af64503d3e21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_af5060c8-c55e-45f1-9ee3-0b72ccbaae05" xlink:to="loc_us-gaap_CommitmentsAndContingencies_6badb010-bccc-42c2-9ad3-af64503d3e21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_afb82e5b-ed8e-4cae-b96d-763270303017" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_af5060c8-c55e-45f1-9ee3-0b72ccbaae05" xlink:to="loc_us-gaap_StockholdersEquity_afb82e5b-ed8e-4cae-b96d-763270303017" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_fd3b521a-4c40-461f-9498-99d6176f19b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_LiabilitiesCurrent_fd3b521a-4c40-461f-9498-99d6176f19b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_246d90c6-caad-40bc-90a3-6d0812b2925f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_246d90c6-caad-40bc-90a3-6d0812b2925f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_31861993-4be2-495d-a3d0-bb9713cb8f39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_31861993-4be2-495d-a3d0-bb9713cb8f39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_b98b3a7c-4ef0-4b65-aca5-e15eeceed789" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_b98b3a7c-4ef0-4b65-aca5-e15eeceed789" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_098a3404-d673-4b80-a098-781f45d21aec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PostemploymentBenefitsLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_PostemploymentBenefitsLiabilityNoncurrent_098a3404-d673-4b80-a098-781f45d21aec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f0a919b9-9830-4102-859b-0a8c28d2cfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a99185d4-fb1b-4abe-837a-ba2e4bd6975e" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f0a919b9-9830-4102-859b-0a8c28d2cfbf" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="reyn-20250630.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83714cb0-1638-48a7-823c-bfb5aa2fdbec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_da34f752-1d4d-4b67-9f49-d1e86bbdb572" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83714cb0-1638-48a7-823c-bfb5aa2fdbec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_da34f752-1d4d-4b67-9f49-d1e86bbdb572" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_b1298fb8-0089-425d-aeed-18200019b535" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83714cb0-1638-48a7-823c-bfb5aa2fdbec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_b1298fb8-0089-425d-aeed-18200019b535" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f44d4861-3247-4474-b870-7c561bc8d0b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83714cb0-1638-48a7-823c-bfb5aa2fdbec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f44d4861-3247-4474-b870-7c561bc8d0b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_2fda0f7a-fbb3-4e33-98af-c88aa5745a53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_NetIncomeLoss_2fda0f7a-fbb3-4e33-98af-c88aa5745a53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_a447502a-ea81-4317-93a4-b0ad8ab8b2fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_a447502a-ea81-4317-93a4-b0ad8ab8b2fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit_293bd74f-33c6-49b4-afa4-06cefe499942" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit_293bd74f-33c6-49b4-afa4-06cefe499942" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_90814749-466f-4747-9009-035c1606cef1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_ShareBasedCompensation_90814749-466f-4747-9009-035c1606cef1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_aabd17dc-c56a-4231-aeab-be56e0668095" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_aabd17dc-c56a-4231-aeab-be56e0668095" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_36d3a721-c35e-4618-9c37-7715019fbd5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherReceivables"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_36d3a721-c35e-4618-9c37-7715019fbd5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_7be145af-f842-44c8-bd94-27ffb1e51315" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_7be145af-f842-44c8-bd94-27ffb1e51315" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_2ff18d42-37cb-4309-911e-6beb5abd4734" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_2ff18d42-37cb-4309-911e-6beb5abd4734" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_9595d159-61bf-4fe3-9bd1-f25c5e409f63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_9595d159-61bf-4fe3-9bd1-f25c5e409f63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_f59f2007-e887-499d-81a4-845a7e1faa46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_f59f2007-e887-499d-81a4-845a7e1faa46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_806d8947-10d2-48f5-ae52-5c0b34cedc18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_806d8947-10d2-48f5-ae52-5c0b34cedc18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_9ea69753-7385-4165-a3ea-5f081151fb92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_9ea69753-7385-4165-a3ea-5f081151fb92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_1af3e3df-8478-4832-80f3-0b4009384916" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_66e93827-e22e-4063-b62c-ac76fb494d66" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_1af3e3df-8478-4832-80f3-0b4009384916" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6dbdb73a-2e37-4b88-9691-74d1dfd2ab2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d7493c5c-e7ed-4ffa-996f-937954d916ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6dbdb73a-2e37-4b88-9691-74d1dfd2ab2b" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d7493c5c-e7ed-4ffa-996f-937954d916ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_1898c59c-54ab-4dcf-9580-f9de38fbf1c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:to="loc_us-gaap_PaymentsOfDividends_1898c59c-54ab-4dcf-9580-f9de38fbf1c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_2f3256d6-6243-47a0-bca0-a9871bd07ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_2f3256d6-6243-47a0-bca0-a9871bd07ea4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1135b2f6-d295-4067-bfe9-235d2cbcf920" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1135b2f6-d295-4067-bfe9-235d2cbcf920" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_5d906bfc-0cb9-4816-bdf7-d5857778c903" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_5d906bfc-0cb9-4816-bdf7-d5857778c903" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_f593a31b-71fd-4302-8b64-29caee1fbba8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c5ac1b2-8bc2-4f49-b918-2f4e6728b7d7" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_f593a31b-71fd-4302-8b64-29caee1fbba8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/InventoriesDetails" xlink:type="simple" xlink:href="reyn-20250630.xsd#InventoriesDetails"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_89d64bac-b23e-4894-aaa3-6b2c13005f1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_416ed0f8-78d2-4656-b565-248441562ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89d64bac-b23e-4894-aaa3-6b2c13005f1f" xlink:to="loc_us-gaap_InventoryRawMaterials_416ed0f8-78d2-4656-b565-248441562ff2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_71d01023-4d46-4db9-bcfe-a6099f9e0a40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89d64bac-b23e-4894-aaa3-6b2c13005f1f" xlink:to="loc_us-gaap_InventoryWorkInProcess_71d01023-4d46-4db9-bcfe-a6099f9e0a40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_ce478bde-d141-4164-bab6-8b6214bc363e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89d64bac-b23e-4894-aaa3-6b2c13005f1f" xlink:to="loc_us-gaap_InventoryFinishedGoods_ce478bde-d141-4164-bab6-8b6214bc363e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventoriesSpareParts_a42f4d22-2c6d-4c63-acc8-b49fa58ed995" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherInventoriesSpareParts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89d64bac-b23e-4894-aaa3-6b2c13005f1f" xlink:to="loc_us-gaap_OtherInventoriesSpareParts_a42f4d22-2c6d-4c63-acc8-b49fa58ed995" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="simple" xlink:href="reyn-20250630.xsd#DebtScheduleofLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_a9716d77-f9ca-4c2c-af88-dbd39eff15b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_7ccc8891-d6e4-4c98-81cd-3afd2f177c55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_a9716d77-f9ca-4c2c-af88-dbd39eff15b0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_7ccc8891-d6e4-4c98-81cd-3afd2f177c55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_d63a50fb-a133-4994-8043-560d4815a4f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_a9716d77-f9ca-4c2c-af88-dbd39eff15b0" xlink:to="loc_us-gaap_LongTermDebtCurrent_d63a50fb-a133-4994-8043-560d4815a4f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/DebtScheduleofLongtermDebtDetails_1" xlink:type="simple" xlink:href="reyn-20250630.xsd#DebtScheduleofLongtermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/DebtScheduleofLongtermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_7fd0d6e5-7a43-44ce-b362-6140227a1c55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_18f54b4c-38a6-470e-9f01-2be0aecb2bc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_7fd0d6e5-7a43-44ce-b362-6140227a1c55" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_18f54b4c-38a6-470e-9f01-2be0aecb2bc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_32bf259f-7daf-4f1d-a1d0-ce49455a205b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_7fd0d6e5-7a43-44ce-b362-6140227a1c55" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_32bf259f-7daf-4f1d-a1d0-ce49455a205b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_53e507a9-cd0b-408e-9159-82a2d9faa901" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_7fd0d6e5-7a43-44ce-b362-6140227a1c55" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_53e507a9-cd0b-408e-9159-82a2d9faa901" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/FinancialInstrumentsScheduleofDerivativebyBalanceSheetGroupingDetails" xlink:type="simple" xlink:href="reyn-20250630.xsd#FinancialInstrumentsScheduleofDerivativebyBalanceSheetGroupingDetails"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/FinancialInstrumentsScheduleofDerivativebyBalanceSheetGroupingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_20fd4d9e-da95-4270-baa0-82daf85e897d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_e6711938-4bbd-4220-ab2b-730600f7f199" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_20fd4d9e-da95-4270-baa0-82daf85e897d" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_e6711938-4bbd-4220-ab2b-730600f7f199" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_bb41a6a7-e413-4675-85f2-71ea04f0a359" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_0b2ea031-7dbc-4648-9c4c-88a831181048" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_bb41a6a7-e413-4675-85f2-71ea04f0a359" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_0b2ea031-7dbc-4648-9c4c-88a831181048" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_75ce944a-2ece-46f2-9cb8-d9469dd345b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_bb41a6a7-e413-4675-85f2-71ea04f0a359" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_75ce944a-2ece-46f2-9cb8-d9469dd345b5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.reynoldsgroupholdings.com/role/SegmentInformationScheduleofReconciliationofTotalSegmentAdjustedEBITDAtoGAAPIncomeBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="reyn-20250630.xsd#SegmentInformationScheduleofReconciliationofTotalSegmentAdjustedEBITDAtoGAAPIncomeBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.reynoldsgroupholdings.com/role/SegmentInformationScheduleofReconciliationofTotalSegmentAdjustedEBITDAtoGAAPIncomeBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_reyn_AdjustedEBITDAFromContinuingOperations_91ff49b3-d79e-47e9-8294-718abde32dcb" xlink:href="reyn-20250630.xsd#reyn_AdjustedEBITDAFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_reyn_AdjustedEBITDAFromContinuingOperations_91ff49b3-d79e-47e9-8294-718abde32dcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_reyn_CostToExecuteStrategicInitiatives_d3318617-e576-4b26-81a2-ab0737109db6" xlink:href="reyn-20250630.xsd#reyn_CostToExecuteStrategicInitiatives"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_reyn_CostToExecuteStrategicInitiatives_d3318617-e576-4b26-81a2-ab0737109db6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_9c7f669e-5752-4429-8e84-78242e156f6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_us-gaap_InterestExpenseNonoperating_9c7f669e-5752-4429-8e84-78242e156f6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_reyn_CEOTransitionCosts_4b2c7734-004a-4e16-98b1-a8ac179700c9" xlink:href="reyn-20250630.xsd#reyn_CEOTransitionCosts"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_reyn_CEOTransitionCosts_4b2c7734-004a-4e16-98b1-a8ac179700c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_2cbbfa26-b492-42e4-9c94-c8e14c3dc421" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_us-gaap_DepreciationAndAmortization_2cbbfa26-b492-42e4-9c94-c8e14c3dc421" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_reyn_GainLossOnDebtModification_c9b9313a-7736-46c0-b18c-253fe9c8aeba" xlink:href="reyn-20250630.xsd#reyn_GainLossOnDebtModification"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b11796f7-e61e-47bb-a8f4-62576c021dd6" xlink:to="loc_reyn_GainLossOnDebtModification_c9b9313a-7736-46c0-b18c-253fe9c8aeba" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
