20 mpg = 11.76 L/100km
Also: 8.5 km/L (kmpl)
| mpg | L/100km | km/L |
|---|---|---|
| 14 | 16.8 | 5.95 |
| 16 | 14.7 | 6.8 |
| 18 | 13.07 | 7.65 |
| 20 | 11.76 | 8.5 |
| 22 | 10.69 | 9.35 |
| 24 | 9.8 | 10.2 |
| 26 | 9.05 | 11.05 |
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.