How to convert UK mpg to kilometers per liter
km/L = mpg (UK) × 0.3540061899
One UK mile per gallon equals 0.3540061899 km/L, so multiply the value in UK mpg by 0.3540061899. Example: 10 mpg (UK) = 3.540061899 km/L.
L/100 km is a consumption figure (lower is better) while km/L and mpg are economy figures (higher is better), so the conversion is an inverse, not a simple multiplication. US and UK mpg differ because the gallons differ.
UK mpg to kilometers per liter conversion table
| UK mpg (mpg (UK)) | Kilometers per liter (km/L) |
|---|---|
| 1 mpg (UK) | 0.3540061899 km/L |
| 2 mpg (UK) | 0.7080123799 km/L |
| 3 mpg (UK) | 1.06201857 km/L |
| 5 mpg (UK) | 1.77003095 km/L |
| 10 mpg (UK) | 3.540061899 km/L |
| 15 mpg (UK) | 5.310092849 km/L |
| 20 mpg (UK) | 7.080123799 km/L |
| 25 mpg (UK) | 8.850154748 km/L |
| 50 mpg (UK) | 17.7003095 km/L |
| 75 mpg (UK) | 26.55046425 km/L |
| 100 mpg (UK) | 35.40061899 km/L |
| 250 mpg (UK) | 88.50154748 km/L |
| 500 mpg (UK) | 177.003095 km/L |
| 1,000 mpg (UK) | 354.0061899 km/L |