MPG (Imperial) to MPG (US)

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mpguk
mpgus
1 mpguk = — mpgus

Quick reference

MPG (Imperial) (mpguk)MPG (US) (mpgus)

Formula

US mpg = imp mpg × 1.20095

Multiply the mpg (imperial) value by 1.20095 to get mpg (us). To reverse — divide mpg (us) by 1.20095 to get mpg (imperial).

About this conversion

Miles per gallon (Imperial) uses the UK imperial gallon (4.546 liters), giving higher numbers than US MPG for the same vehicle. Learn more →

Miles per gallon (US) measures how many miles a vehicle travels on one US gallon of fuel (3.785 liters). The standard fuel economy unit in the United States. Learn more →

Source: NIST International Reference