Fuel economy cost calculator

Yearly fuel bill from your mpg.

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

Miles per year

Miles per gallon

Fuel price per gallon

Yearly fuel

$1,350

Per month

$112.5

With these inputs, yearly fuel comes to $1,350. Per month works out to $112.5.

What moves the number · Yearly fuel

Input	−10%	Now	+10%
Miles per year	$1,215	$1,350	$1,485
Miles per gallon	$1,500	$1,350	$1,227
Fuel price per gallon	$1,215	$1,350	$1,485

Whatmakesequal

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

Yearly fuel bill from your mpg.

With the defaults above, yearly fuel works out at $1,350.