15 mpg = 15.68 L/100km
Also: 6.38 km/L (kmpl)
| mpg | L/100km | km/L |
|---|---|---|
| 12 | 19.6 | 5.1 |
| 13 | 18.09 | 5.53 |
| 14 | 16.8 | 5.95 |
| 15 | 15.68 | 6.38 |
| 16 | 14.7 | 6.8 |
| 17 | 13.84 | 7.23 |
| 18 | 13.07 | 7.65 |
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.