Miles per Gallon (UK) (mpg UK)
Miles per gallon (UK) uses the larger Imperial gallon — about 20% more volume than the US gallon.
UK mpg appears on British vehicle specs and fuel-economy advertising — always check which gallon is meant.
Miles per Gallon (UK) to Miles per Gallon (US)
Convert miles per gallon (uk) to miles per gallon (us) instantly. Type in either field — results update live.
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Fuel Consumption Miles per Gallon (UK) Miles per Gallon (US)
1 miles per gallon (uk) = 0.8326741846 miles per gallon (US)
Unit
Unit
Conversion table
Selected mpg UK values converted to mpg US using the exact factor from this tool.
| mpg UK | mpg US |
|---|---|
| 0.01 | 0.0083267418 |
| 0.1 | 0.0832674185 |
| 1 | 0.8326741846 |
| 2 | 1.6653483693 |
| 3 | 2.4980225539 |
| 5 | 4.1633709231 |
| 10 | 8.3267418463 |
| 20 | 16.6534836926 |
| 50 | 41.6337092314 |
| 100 | 83.2674184629 |
| 1,000 | 832.674184629 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 mpg UK = 0.8326741846 mpg US
1 mpg US = 1.2009499255 mpg UK
To convert miles per gallon (uk) to miles per gallon (us), multiply by 0.8326741846.
To convert miles per gallon (us) to miles per gallon (uk), multiply by 1.2009499255.
Example: convert 10 mpg UK to mpg US
10 × 0.8326741846 = 8.3267418463 mpg US
About these units
Short background on the units used in this conversion.
Miles per Gallon (US) (mpg US)
Miles per gallon (US) measures how many US statute miles a vehicle travels on one US liquid gallon of fuel.
US mpg labels EPA fuel-economy ratings on new cars and compares efficiency at the pump in America.
Frequently asked questions
How do I convert miles per gallon (uk) to miles per gallon (us)?
Fuel consumption uses inverse math when crossing distance-per-fuel and fuel-per-distance units. One miles per gallon (uk) equals 0.8326741846 miles per gallon (US). Enter your value above — the converter handles mpg, L/100 km, and km/L correctly in both directions.
What is the conversion relationship?
At this pair:
The reverse:
1 miles per gallon (uk) = 0.8326741846 miles per gallon (US)The reverse:
1 miles per gallon (us) = 1.2009499255 miles per gallon (UK). US and UK mpg use different gallon sizes — this page uses the units shown in the title.Is this Miles per Gallon (UK) to Miles per Gallon (US) converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.