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MPG Calculator - Gas Mileage

Free MPG calculator. Calculate your car's miles per gallon fuel efficiency. Track gas mileage and compare to EPA estimates.

Calculate your gas mileage

Enter your values to see results

and click the "Calculate" button

MPG Calculator

Calculate your actual fuel efficiency by tracking miles driven and gallons used. Compare to your car's EPA rating to see if you're on track.

MPG = Miles Driven / Gallons Used

Track over multiple fill-ups for accurate average. City driving lowers MPG; highway improves it.

What's good MPG?

Economy cars: 30-40 MPG. SUVs: 20-30 MPG. Trucks: 15-25 MPG. Hybrids: 40-60 MPG. EVs: 100+ MPGe.

Why is my MPG different from EPA rating?

EPA tests are in controlled conditions. Real-world MPG varies with driving style, weather, terrain, AC use, and vehicle maintenance.

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