Convert Miles per Gallon (US) to Kilometers per Liter
Miles per Gallon (US) to Kilometers per Liter conversion table
| Miles per Gallon (US) (mpg) | Kilometers per Liter (km/L) |
|---|---|
| 1 mpg | 0.425144 km/L |
| 2 mpg | 0.850287 km/L |
| 5 mpg | 2.125719 km/L |
| 10 mpg | 4.251437 km/L |
| 25 mpg | 10.628593 km/L |
| 50 mpg | 21.257185 km/L |
| 100 mpg | 42.514371 km/L |
| 200 mpg | 85.028742 km/L |
| 500 mpg | 212.571854 km/L |
| 1000 mpg | 425.143708 km/L |
How to convert miles per gallon (us) to kilometers per liter
Converting Miles per Gallon (US) (mpg) to Kilometers per Liter (km/L) is a common task in fuel economy measurements. Fuel economy is expressed differently worldwide: the US uses miles per gallon, Europe often uses liters per 100 kilometers, and efficiency can also be stated as kilometers per liter.
To convert, divide the miles-per-gallon value by 2.35214584. Written as an equation: km/L = mpg ÷ 2.35214584.
One miles per gallon (us) equals approximately 0.425144 km/L. This means you can multiply any mpg value by 0.425144 to get the equivalent in km/L.
Worked example: 25 mpg = 10.628593 km/L. Enter your own value in the converter above for instant results.
Common mistake: Higher mpg means better efficiency, but lower L/100km also means better efficiency — these scales run in opposite directions, so do not compare the numbers directly without converting.
Bookmark this page for quick mpg to km/L conversions, or use the swap button to reverse the direction and convert km/L back to mpg.
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Frequently asked questions
1 mpg equals 0.425144 km/L.
Divide the miles-per-gallon value by 2.35214584.
10 mpg = 4.251437 km/L.