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MPG (UK) to MPG (US) Converter

Convert miles per imperial gallon (mpg (UK)) to miles per US gallon (mpg (US))

Convert Fuel Economy

mpg (UK)

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Result

0.8326741846 mpg (US)
MPG (US)

1 mpg (UK) = 0.8326741846 mpg (US)

1 mpg (UK) in other units

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How to convert miles per imperial gallon to miles per US gallon

One mile per imperial gallon equals 0.8326742 miles per US gallon, so multiply the number of miles per imperial gallon by 0.8326742.

mpg (US) = mpg (UK) × 0.8326742

1 mpg (UK) = 0.8326742 mpg (US) · 1 mpg (US) = 1.20095 mpg (UK)

Worked example

To convert 22 miles per imperial gallon to miles per US gallon: 22 mpg (UK) × 0.8326742 = 18.31883 mpg (US).

About miles per imperial gallon (mpg (UK))

Miles per imperial gallon is used in the UK. It reads about 20% higher than US mpg for the same car.

About miles per US gallon (mpg (US))

Miles per US gallon is the fuel-economy unit in the United States.

More conversions

MPG (US) to MPG (UK)All units: Fuel Economy Converter

MPG (UK) to other units

Other units to MPG (US)

Frequently asked questions

How many miles per US gallon are in one mile per imperial gallon?

One mile per imperial gallon equals 0.8326742 miles per US gallon.

How many miles per imperial gallon are in one mile per US gallon?

One mile per US gallon equals 1.20095 miles per imperial gallon.

How do I convert miles per imperial gallon to miles per US gallon?

Use the formula mpg (US) = mpg (UK) × 0.8326742. For example, 22 mpg (UK) × 0.8326742 = 18.31883 mpg (US).