Unit Converter › Fuel economy › US mpg → km/L
Fuel economy · inverse · base litres per 100 km
US mpg to km/L
1 miles/gallon (US) = 0.425143708906 km/L. km/L 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 km/L table
| miles/gallon (US) | km/L | Unit |
|---|---|---|
| 1 US mpg | 0.425143708906 | km/L |
| 2 US mpg | 0.850287417812 | km/L |
| 3 US mpg | 1.27543112672 | km/L |
| 5 US mpg | 2.12571854453 | km/L |
| 10 US mpg | 4.25143708906 | km/L |
| 20 US mpg | 8.50287417812 | km/L |
| 25 US mpg | 10.6285927226 | km/L |
| 50 US mpg | 21.2571854453 | km/L |
| 100 US mpg | 42.5143708906 | km/L |
| 500 US mpg | 212.571854453 | km/L |
| 1,000 US mpg | 425.143708906 | km/L |
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.