Our online conversion calculators provide a quick and easy way to perform Fuel Economy conversions between the Metric System, US Customary Units, and the Imperial System.
Select a Unit to Convert
Select a starting unit for the Fuel Economy conversion:
Note: There is a difference between US Customary Units and the Imperial System when it comes to some Fuel Economy conversions. The US gallon contains 128 US fl oz, while the Imperial gallon contains 160 Imp fl oz. So make sure you are converting using the correct system of measurement.
Find a Conversion
Looking for a conversion? Select a conversion type and the desired units.