Track the 2026 IRS business mileage deduction using 72.5 cents per mile for Jan-Jun and 76 cents per mile for Jul-Dec, so missed miles can cost $0.76 each after July 1.
Your numbers
Your result
Total business miles
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Jan-Jun mileage deduction
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Jul-Dec mileage deduction
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IRS standard mileage plus parking and tolls
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Mileage reimbursement received
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Unreimbursed deduction value
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Total vehicle miles
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Business use percentage
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Actual vehicle cost pool
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Actual expense business share
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Standard mileage advantage
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The workbook, because the answer is not the thing you need in April. Your preparer does not want a number, they want the worksheet behind it: your year saved in a file that opens without an internet connection, both methods side by side with the formulas showing, the undocumented-miles row that tell
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The two numbers this file leans on are published and you can check them today: the IRS standard mileage rate for business use in 2025 is 70 cents per mile (IRS Notice 2025-05), and self-employment tax on Schedule SE is 15.3% appli
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