Fuel Economy (MPG) Calculator

Work out miles per gallon and the equivalent liters per 100 km.

Distance (miles)

Fuel used (US gallons)

Fuel economy

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Metric—

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How it works

MPG = miles ÷ gallons

Frequently Asked Questions

What does the Fuel Economy (MPG) Calculator do?

Work out miles per gallon and the equivalent liters per 100 km.

Do I need to sign up?

No. It is free and runs entirely in your browser on any device.