Fuel Economy Unit Converter Fuel Economy Unit Converter Enter Fuel Economy Value: From Unit: Mile per US Gallon (mpg US) Mile per Imperial Gallon (mpg Imperial) Kilometer per Liter (km/L) Liter per 100 Kilometer (L/100km) To Unit: Mile per US Gallon (mpg US) Mile per Imperial Gallon (mpg Imperial) Kilometer per Liter (km/L) Liter per 100 Kilometer (L/100km) Convert Result: