CheckYourMath Logo

Fuel Economy Conversion: US mpg to Imperial mpg, Imperial mpg to US mpg

Use the online conversion calculators to convert between US miles per gallon (US mpg) and Imperial miles per gallon (Imp mpg).

Conversion Calculators

Enter your value in one of the conversion calculators below to convert US mpg to Imperial mpg or convert Imperial mpg to US mpg.

Convert US mpg to Imp mpg

Convert Imp mpg to US mpg

How to convert US mpg to Imp mpg: Use the conversion calculator on the left-hand side titled "Convert US mpg to Imp mpg". Enter a value in the US mpg field and click on the "Calculate Imp mpg" button. Your answer will appear in the Imp mpg field.

How to convert Imp mpg to US mpg: Use the conversion calculator on the right-hand side titled "Convert Imp mpg to US mpg". Enter a value in the Imp mpg field and click on the "Calculate US mpg" button. Your answer will appear in the US mpg field.

Definitions

Below are definitions relating to these conversion formulas:

Unit Symbol Measurement System
US miles per gallon US mpg US Customary Units
Imperial miles per gallon Imp mpg Imperial System
Litres per 100 kilometers L/100km Metric System