2026 IRS rate: 76¢ a mile from July 1 (72.5¢ before)

Forgot to Track Mileage? Here is What to Do

You are not the first person to reach tax season without a mileage log, and you will not be the last. Publication 463 lets you support missing records with your own detailed written statement plus corroborating evidence such as calendars, invoices and platform trip histories. A rebuilt log is weaker than one kept at the time, so be specific and conservative. This page walks you through exactly how to rebuild a defensible log from the records you already have, then generate it as an IRS-ready PDF for free. No app download. No signup. No subscription.

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Quick checklist

Sources

Rates and rules on this page last checked against these sources on October 7, 2026.

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