How to convert US mpg to liters per 100 km
L/100 km = 235.2145833 ÷ mpg (US)
The relationship between US mpg and liters per 100 km is not a simple multiplication, so apply the formula above. Example: 10 mpg (US) = 23.52145833 L/100 km.
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.
US mpg to liters per 100 km conversion table
| US mpg (mpg (US)) | Liters per 100 km (L/100 km) |
|---|---|
| 1 mpg (US) | 235.2145833 L/100 km |
| 2 mpg (US) | 117.6072917 L/100 km |
| 3 mpg (US) | 78.40486111 L/100 km |
| 5 mpg (US) | 47.04291667 L/100 km |
| 10 mpg (US) | 23.52145833 L/100 km |
| 15 mpg (US) | 15.68097222 L/100 km |
| 20 mpg (US) | 11.76072917 L/100 km |
| 25 mpg (US) | 9.408583333 L/100 km |
| 50 mpg (US) | 4.704291667 L/100 km |
| 75 mpg (US) | 3.136194444 L/100 km |
| 100 mpg (US) | 2.352145833 L/100 km |
| 250 mpg (US) | 0.9408583333 L/100 km |
| 500 mpg (US) | 0.4704291667 L/100 km |
| 1,000 mpg (US) | 0.2352145833 L/100 km |