Mileage Calculator
Compute MPG from miles driven and gallons used, plus optional fuel cost.
Free · No signup · Runs in your browser · Shareable link syncs inputs
Inputs
Updates live as you type — Calculate syncs a shareable URL.
Fuel economy
28.0 MPG
MPG
28.0
Total fuel cost
$45.63
Cost per mile
$0.130
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How this calculator works
Compute MPG from miles driven and gallons used, plus optional fuel cost.
How is it calculated?
MPG = miles ÷ gallons. Cost = gallons × $/gal.
Example
350 mi / 12.5 gal = 28 MPG.
Frequently asked questions
City vs highway?+
Track tanks separately for mixed driving.