miles per gallon (US) to kilometer per liter (mpg → km/L)
Unit ConverterConverting miles per gallon (US) (mpg) to kilometer per liter (km/L), 1mpg is about 0.425144km/L.
What is it
miles per gallon (US) is a fuel economy unit, as is kilometer per liter. Their relation is fixed: 1mpg = 0.425144km/L.
km/L = mpg × 0.425144
How to use
- 1Enter the miles per gallon (US) (mpg) value.
- 2See the kilometer per liter (km/L) result instantly.
- 3Switch units to convert again if needed.
Reference
| mpg | km/L |
|---|---|
| 1 | 0.425144 |
| 5 | 2.125719 |
| 10 | 4.251437 |
| 50 | 21.257185 |
| 100 | 42.514371 |
| 1000 | 425.143708 |
Sources & standards
FAQ
How many km/L is 1mpg?
1mpg is about 0.425144km/L.
How do I convert km/L back to mpg?
Compute mpg = km/L ÷ 0.425144.
How many km/L is 10mpg?
10mpg is about 4.251437km/L.
Are US mpg and UK mpg different?
Yes. A US gallon is 3.785L while a UK gallon is 4.546L, so 1 US mpg = 0.425144km/L but 1 UK mpg = 0.354006km/L. This converter uses US mpg.
How many km/L is 30mpg?
About 12.75km/L (30 × 0.425144), which is roughly 7.84L/100km.
Is my input sent to a server?
No. Every conversion runs instantly inside your browser; the values you enter are never sent to a server or stored.