Choose a conversion below to get started, or use the calculator above for any fuel economy conversion.
Miles per Gallon
Miles per gallon (mpg) measures fuel efficiency in the US customary system, showing how far a vehicle travels per gallon of fuel.
Liters per 100km
Liters per 100 kilometers (L/100km) measures fuel consumption in the metric system, showing how much fuel is used over a fixed distance.
Kilometers per Liter
Kilometers per liter (km/L) measures fuel efficiency in the metric system, showing how far a vehicle travels per liter of fuel.
Miles per Liter
Miles per liter measures fuel efficiency by combining imperial distance with metric volume, useful for comparing consumption across unit systems.
Gallons per 100 Miles
Gallons per 100 miles measures fuel consumption in the US customary system, showing how much fuel a vehicle uses over a fixed distance.