Mileage deduction calculator

Deduction from business driving.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18

Business miles

Rate per mile

Marginal rate

24%

Deduction

$5,494

Tax saved

$1,318.56

With these inputs, deduction comes to $5,494. Tax saved works out to $1,318.56. The result assumes rate per mile stays at 0.67%.

What moves the number · Deduction

Input	−10%	Now	+10%
Business miles	$4,944.6	$5,494	$6,043.4
Rate per mile	$4,944.6	$5,494	$6,043.4

Whatmakesequal

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Deduction from business driving.

With the defaults above, deduction works out at $5,494.