Unit Converter › Fuel economy › US mpg → UK mpg
Fuel economy · inverse · base litres per 100 km
US mpg to UK mpg
1 miles/gallon (US) = 1.20094992967 UK mpg. UK mpg and US mpg are reciprocals — the conversion divides rather than multiplies, so a bigger number in one means a smaller number in the other.
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inverse · base litres per 100 km
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| Every unit at once | Value | Unit |
|---|
US mpg to UK mpg table
| miles/gallon (US) | UK mpg | Unit |
|---|---|---|
| 1 US mpg | 1.20094992967 | UK mpg |
| 2 US mpg | 2.40189985934 | UK mpg |
| 3 US mpg | 3.60284978901 | UK mpg |
| 5 US mpg | 6.00474964835 | UK mpg |
| 10 US mpg | 12.0094992967 | UK mpg |
| 20 US mpg | 24.0189985934 | UK mpg |
| 25 US mpg | 30.0237482417 | UK mpg |
| 50 US mpg | 60.0474964835 | UK mpg |
| 100 US mpg | 120.094992967 | UK mpg |
| 500 US mpg | 600.474964835 | UK mpg |
| 1,000 US mpg | 1,200.94992967 | UK mpg |
the only category that runs backwards
More litres per 100 km is worse; more miles per gallon is better. The two are reciprocals, not a scale factor, so you cannot average mpg figures the way you average L/100 km. US and UK mpg differ because the gallons do.