How to convert MPG (US) to kilometres per litre
km/L = mpg (US) × 0.4251437074
Example: 8 mpg (US) × 0.4251437074 = 3.401149659 km/L
MPG (US) to Kilometers per Liter table
| MPG (US) (mpg (US)) | Kilometers per Liter (km/L) |
|---|---|
| 3 mpg (US) | 1.2754311 km/L |
| 4 mpg (US) | 1.7005748 km/L |
| 5 mpg (US) | 2.1257185 km/L |
| 6 mpg (US) | 2.5508622 km/L |
| 7 mpg (US) | 2.976006 km/L |
| 8 mpg (US) | 3.4011497 km/L |
| 9 mpg (US) | 3.8262934 km/L |
| 10 mpg (US) | 4.2514371 km/L |
| 12 mpg (US) | 5.1017245 km/L |
| 15 mpg (US) | 6.3771556 km/L |
| 20 mpg (US) | 8.5028741 km/L |
| 25 mpg (US) | 10.628593 km/L |
| 30 mpg (US) | 12.754311 km/L |
| 40 mpg (US) | 17.005748 km/L |
About these units
MPG (US) (mpg (US)): Miles per (US) gallon measures how far a car travels on one gallon – higher is better. Used in the United States.
Kilometers per Liter (km/L): Kilometres per litre is used in India, Japan, Latin America and the Middle East – higher is better.
Frequently asked questions
How many kilometres per litre are in 1 MPG (US)?
1 MPG (US) equals 0.4251437074 kilometres per litre (km/L).
How do I convert mpg (US) to km/L?
Multiply the value in MPG (US) by 0.4251437074. For example, 8 mpg (US) × 0.4251437074 = 3.401149659 km/L.
How do I convert kilometres per litre back to MPG (US)?
Multiply by 2.352145833 (or divide by 0.4251437074). 1 km/L = 2.352145833 mpg (US).
What is a MPG (US)?
Miles per (US) gallon measures how far a car travels on one gallon – higher is better. Used in the United States.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every fuel economy unit at once? Use the Fuel Economy Converter.