Convert British MPG to American MPG
Fuel Economy
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40 British MPG =
33.31 U.S. MPG
About
The United Kingdom uses a different gallon than the United States. As a result, miles per gallon measurements are different. This calculator will allow you to convert a British MPG rating to an American one.
Definitions
MPGus = | 3.785411784 | * MPGuk |
4.54609 |
U.S. Gallon = 3.785411784 Liters
Imperial Gallon = 4.54609 Liters