Auto calculator

Miles per gallon

Calculate fuel economy from a fill-up.

Your numbers

Fuel economy

29.17 MPG

Miles driven350

Fuel used12 gal

Updates as you change the numbers. No account needed.

MPG = miles driven ÷ U.S. gallons used.

For a tank-to-tank measurement, fill to a consistent level and use the gallons added at the next fill-up.

Auto4 calculators

Estimate fuel spending for a given distance.

Budget for fuel, lodging, meals, and road fees.

Account for price, down payment, and financed fees.

Compare electricity and gasoline costs for the same mileage.