See fuel consumption (l / 100 km) and review economy (km / l) and us mpg using values you enter.
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Gas Mileage Calculator for United States
US · 12,345.67US customary measurementsRoad distance: miles
United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
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Your details
Enter the distance in the selected unit. Changing a unit changes how your input is interpreted.
Use fuel consumed over the same distance, such as the amount needed to refill the tank.
US mpg
33.602
United States · calculated from your inputs
Fuel consumption (L / 100 km)7
Economy (km / L)14.286
UK mpg40.354
Distance (miles)310.686
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How this result was calculated
Convert measured distance to km and measured fuel to litres. L/100 km = litres / km × 100. km/L = km / litres. US and UK mpg use their respective gallon sizes.
Country setup: United States. Displayed measurements are converted to the formula's base units internally.
Assumption: Uses the entered values and the units and conventions described in the method. Check these against your source measurements. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
Calculation version 1.0.0 · Support state: generic
Convert measured distance to km and measured fuel to litres. L/100 km = litres / km × 100. km/L = km / litres. US and UK mpg use their respective gallon sizes.
This calculation uses the values you enter. It runs in your browser and does not request a location or account.
Worked example
With the sample inputs shown, fuel consumption (l / 100 km) is 7. Change the inputs to model your own case.
Questions people ask
How does the gas mileage calculator work?
Convert measured distance to km and measured fuel to litres. L/100 km = litres / km × 100. km/L = km / litres. US and UK mpg use their respective gallon sizes.
Does this use live local rates or rules?
Uses the entered values and the units and conventions described in the method. Check these against your source measurements.