Mileage deduction calculator

Business miles, first part of the year

Driven before the rate changed.

Business miles, rest of the year

Driven after the rate changed. Enter 0 if it did not.

Enter the mileage rates to see a result. The fields start empty because these are the government’s figures to publish, not ours, and we have not yet checked them against the source ourselves. They are on IRS — Standard mileage rates.

Standard mileage rates

Rate, first part of the year

Cents per business mile, on the IRS page of standard mileage rates.

Rate, rest of the year

The same page. If the rate did not change during the year, enter the same figure.