Convert Miles per Gallon (US) to Kilometers per Liter
mpg to km/L · fuel economy conversion
What are miles per gallon (us) and kilometers per liter?
Miles per gallon (US) is the standard US fuel-economy measure, based on the 3.785-liter US gallon. Kilometers per liter measures how far a vehicle travels per liter of fuel, used in much of the world. For reference: 30 US mpg is about 12.8 km/L, a typical efficient car.
How to convert miles per gallon (us) to kilometers per liter
1 mpg = 0.425144 km/L. To convert, multiply the number of miles per gallon (us) by 0.425144. For example, 5 mpg = 2.12572 km/L, and 20 mpg = 8.50288 km/L. To go the other way, multiply kilometers per liter by 2.35214 (since 1 km/L = 2.35214 mpg).
Miles per Gallon (US) to Kilometers per Liter conversion table
| Miles per Gallon (US) (mpg) | Kilometers per Liter (km/L) |
|---|---|
| 20 | 8.50288 |
| 25 | 10.6286 |
| 30 | 12.7543 |
| 35 | 14.88 |
| 40 | 17.0058 |
| 50 | 21.2572 |
| 60 | 25.5086 |
FAQ
What is 1 mpg in km/L?
1 mpg = 0.425144 km/L. To convert any amount, multiply the number of miles per gallon (us) by 0.425144.
How do I convert kilometers per liter back to miles per gallon (us)?
Go the other way: 1 km/L = 2.35214 mpg, so multiply kilometers per liter by 2.35214 to get miles per gallon (us).
Is a miles per gallon (us) bigger than a kilometers per liter?
No — 1 mpg is the smaller unit, equal to 0.425144 km/L (it takes 2.35214 mpg to make one km/L).
Are these fuel economy conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.