25 mpg = 9.41 L/100km
Also: 10.63 km/L (kmpl)
| mpg | L/100km | km/L |
|---|---|---|
| 19 | 12.38 | 8.08 |
| 21 | 11.2 | 8.93 |
| 23 | 10.23 | 9.78 |
| 25 | 9.41 | 10.63 |
| 27 | 8.71 | 11.48 |
| 29 | 8.11 | 12.33 |
| 31 | 7.59 | 13.18 |
International System of Units (SI) measurements
Traditional British and American measurements
mpg → L/100km: L/100km = 235.215 ÷ mpg
mpg → km/L (kmpl): km/L = mpg × 0.4251
L/100km → mpg: mpg = 235.215 ÷ L/100km
These formulas use US gallons. UK (imperial) mpg uses a larger gallon (4.546 L vs 3.785 L), so UK 50 mpg ≈ 5.65 L/100km rather than 4.70 L/100km.