18 kmpl = 42.34 mpg
Also: 5.56 L/100km
Also: 18 km/L (kmpl)
| kmpl | mpg | L/100km | km/L |
|---|---|---|---|
| 15 | 35.28 | 6.67 | 15 |
| 16 | 37.63 | 6.25 | 16 |
| 17 | 39.99 | 5.88 | 17 |
| 18 | 42.34 | 5.56 | 18 |
| 19 | 44.69 | 5.26 | 19 |
| 20 | 47.04 | 5 | 20 |
| 21 | 49.4 | 4.76 | 21 |
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.