# Fuel Efficiency Conversion in Metric (SI) & US Customary (USC) Units

getcalc.com's Fuel Efficiency Converter is an online tool to execute measurement units conversions in Metric (SI) & US Customary (USC) number system. The fuel efficiency can be measured in miles per gallons, miles per liter & kilometers per liter in Metric (SI) & US Customary (USC) number system. By using this converter, any fuel efficiency measurement unit can be converted with in the units of US customary or metric system, or from metric to US customary units and vice versa.