Miles per US gallon to kilometers per liter
Type a value in mpg (US) to get it in km/L instantly.
That's 1.06× as economical as a family car, while a compact car is 1.33× better. On a 50-liter tank, that is about 637.7 km of range.
Convert the other way: km/L to mpg (US)
What it means
How far on one tank?
Range assumes a 50-liter tank. US and UK gallons differ, so always check which mpg a figure means.
The math
How to convert mpg (US) to km/L
To convert miles per US gallon to kilometers per liter, multiply by 0.425144.
Example: 30 mpg (US) × 0.425144 = 12.7543 km/L.
In the other direction, 1 km/L = 2.35215 mpg (US).
Every unit
Your fuel economy in every unit
Tables
mpg (US) to km/L conversion table
| mpg (US) | km/L |
|---|---|
| 5 mpg (US) | 2.12572 km/L |
| 6 mpg (US) | 2.55086 km/L |
| 7 mpg (US) | 2.97601 km/L |
| 8 mpg (US) | 3.40115 km/L |
| 9 mpg (US) | 3.82629 km/L |
| 10 mpg (US) | 4.25144 km/L |
| 12 mpg (US) | 5.10172 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 |
| 50 mpg (US) | 21.2572 km/L |
| 60 mpg (US) | 25.5086 km/L |
km/L to mpg (US) conversion table
| km/L | mpg (US) |
|---|---|
| 5 km/L | 11.7607 mpg (US) |
| 6 km/L | 14.1129 mpg (US) |
| 7 km/L | 16.465 mpg (US) |
| 8 km/L | 18.8172 mpg (US) |
| 9 km/L | 21.1693 mpg (US) |
| 10 km/L | 23.5215 mpg (US) |
| 12 km/L | 28.2257 mpg (US) |
| 15 km/L | 35.2822 mpg (US) |
| 20 km/L | 47.0429 mpg (US) |
| 25 km/L | 58.8036 mpg (US) |
| 30 km/L | 70.5644 mpg (US) |
| 35 km/L | 82.3251 mpg (US) |
| 40 km/L | 94.0858 mpg (US) |
| 50 km/L | 117.607 mpg (US) |
| 60 km/L | 141.129 mpg (US) |
Quick answers
Quick answers
- How many km/L is 1 mpg (US)?
- 1 mpg (US) is 0.425144 km/L.
- How many km/L is 10 mpg (US)?
- 10 mpg (US) is 4.25144 km/L.
- How many km/L is 30 mpg (US)?
- 30 mpg (US) is 12.7543 km/L.
The units
About these units
Miles per US gallon (mpg (US))
US mpg uses the 3.785-liter US gallon. A US figure is always about 17% lower than the UK figure for the same car.
Kilometers per liter (km/L)
Kilometers per liter says how far you travel on one liter. India, Japan and much of Asia rate cars this way; bigger numbers are better.
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