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Mileage Deduction Calculator (2026 IRS Rate) | HelloBooks Free mileage deduction calculator using the 2026 IRS standard mileage rates (72.5 cents to June 30, 76 cents from July 1). Editable rates, runs in your browser.

Free tool · US tax

Mileage deduction calculator

Enter your business miles and see your standard mileage deduction at the IRS rate. For 2026 the IRS set 72.5 cents a mile from January 1 to June 30 and 76 cents from July 1 to December 31, so the calculator takes each half of the year separately.

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January to June$2,900.00

July to December$3,040.00

Standard mileage deduction$5,940.00

Keep a log of date, destination, purpose and miles for each trip. Parking and tolls are deductible on top. An estimate, not tax advice.

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How the standard mileage deduction works

If you use your own car for business, you can deduct business miles x the IRS standard mileage rate instead of tracking actual vehicle costs. Commuting between home and a regular workplace does not count. Parking fees and tolls for business trips are deductible on top of the mileage rate.

The IRS publishes the rate on its standard mileage rates page and usually updates it each January; in 2026 it changed on July 1. The rates in the calculator are editable, and this page is re-checked each January.

Keep a mileage log

For each trip, record the date, destination, business purpose and miles. A log kept at the time is much stronger evidence than one rebuilt at tax time. Record the resulting vehicle expense in your books, for example on HelloBooks Free, $0.

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FAQ

Frequently asked questions

What is the 2026 IRS mileage rate for business?
72.5 cents a mile for January 1 to June 30, 2026 and 76 cents a mile for July 1 to December 31, 2026, per the IRS standard mileage rates page.
Can I deduct commuting miles?
No. Travel between home and your regular place of work is commuting, not business mileage.
Is this tax advice?
No. It is an estimate. Check the IRS guidance or a tax professional for your situation.

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    Mileage Deduction Calculator (2026 IRS Rate) | HelloBooks