Towing cost calculator

Fuel penalty from towing a load.

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

Towing miles

Normal mpg

Economy loss when towing

30%

Fuel price

Extra fuel cost

$56.1

Towing mpg

15.4

With these inputs, extra fuel cost comes to $56.1. Towing mpg works out to 15.4.

What moves the number · Extra fuel cost

Input	−10%	Now	+10%
Towing miles	$50.49	$56.1	$61.71
Normal mpg	$62.34	$56.1	$51
Economy loss when towing	$48.42	$56.1	$64.48
Fuel price	$50.49	$56.1	$61.71

Whatmakesequal

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

Fuel penalty from towing a load.

With the defaults above, extra fuel cost works out at $56.1.