Handy Units
MPG (US) to km/Lmpg (US) → km/L
1 mpg (US) = 0.425144 km/L · 1 km/L = 2.35215 mpg (US)
Formula
km/L ≈ mpg (US) ÷ 2.35215
Example: 35 mpg (US) = 35 ÷ 2.35215 = 14.88 km/L
These units differ only by a fixed factor: multiply by it to convert, divide to go back. The factors are exact international definitions (for example 1 inch = 2.54 cm exactly); results are rounded only for display.
MPG (US) and km/L chart
| MPG (US) (mpg (US)) | km/L (km/L) |
|---|---|
| 15 mpg (US) | 6.37716 km/L |
| 20 mpg (US) | 8.50287 km/L |
| 25 mpg (US) | 10.6286 km/L |
| 30 mpg (US) | 12.7543 km/L |
| 35 mpg (US) | 14.88 km/L |
| 40 mpg (US) | 17.0057 km/L |
| 45 mpg (US) | 19.1315 km/L |
| 50 mpg (US) | 21.2572 km/L |
| 60 mpg (US) | 25.5086 km/L |
| km/L (km/L) | MPG (US) (mpg (US)) |
|---|---|
| 5 km/L | 11.7607 mpg (US) |
| 8 km/L | 18.8172 mpg (US) |
| 10 km/L | 23.5215 mpg (US) |
| 12 km/L | 28.2257 mpg (US) |
| 15 km/L | 35.2822 mpg (US) |
| 18 km/L | 42.3386 mpg (US) |
| 20 km/L | 47.0429 mpg (US) |
| 25 km/L | 58.8036 mpg (US) |
| 30 km/L | 70.5644 mpg (US) |
About these units
Miles per gallon (US) (mpg (US))Miles per US gallon: how far a car goes on one gallon. Higher is better; used in the US.
Kilometers per liter (km/L)Kilometers per liter: how far a car goes on one liter; used in Japan and elsewhere.
Questions
How many km/L are in 1 MPG (US)?
1 mpg (US) = 0.425144 km/L.
How many MPG (US) are in 1 km/L?
1 km/L = 2.35215 mpg (US).