Gas Mileage Calculator with Fuel Cost
Use our Gas Mileage Calculator to calculate your gas mileage per gallon, as well as your fuel cost per mile.
- Enter either your starting mileage and ending mileage, or zero as starting mileage and your total miles traveled.
- Enter either your gallons used, or your total fuel cost and cost per gallon.
- Press the 'Calculate Gas Mileage' button to perform the calculations.