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Fuel economy converter

Kilometers per Liter to Miles per US Gallon (km/L to mpg)

Type in either box: it converts both ways, accepts sums like 12*3, and shows every other fuel economy unit too.

30 km/L = 70.5644 mpg. To convert, convert through the base unit (kmpl): mpg = f(km/L).

How to convert kilometers per liter to miles per US gallon

To convert kilometers per liter (km/L) to miles per US gallon (mpg), convert through the base unit (kmpl).

mpg = f(km/L)

Example: 30 km/L = 70.564375 mpg.

Kilometers per Liter to Miles per US Gallon conversion table

Kilometers per Liter to Miles per US Gallon
Kilometers per LiterMiles per US Gallon
3 km/L7.0564375 mpg
4 km/L9.4085833 mpg
5 km/L11.760729 mpg
6 km/L14.112875 mpg
7 km/L16.465021 mpg
8 km/L18.817167 mpg
10 km/L23.521458 mpg
12 km/L28.22575 mpg
15 km/L35.282188 mpg
20 km/L47.042917 mpg
25 km/L58.803646 mpg
30 km/L70.564375 mpg
35 km/L82.325104 mpg
40 km/L94.085833 mpg
50 km/L117.60729 mpg
60 km/L141.12875 mpg

Converting miles per US gallon back to kilometers per liter

Use the reverse formula. See the Miles per US Gallon to Kilometers per Liter converter, or press the swap button above.

About the units

Kilometer per liter (km/L)

A unit of fuel economy.

Mile per US gallon (mpg)

Miles driven per US gallon, the fuel economy figure on US window stickers.

Fuel economy is either distance per volume (mpg, km/L), where higher is better, or volume per distance (L/100 km), where lower is better. Converting between the two families is an inversion, not a multiplication. US and UK mpg differ because their gallons differ.

Questions and answers

How do I convert kilometers per liter to miles per US gallon?

To convert kilometers per liter to miles per US gallon, convert through the base unit (kmpl). The formula is mpg = f(km/L). For example, 30 km/L = 70.564375 mpg.

What is 30 km/L in mpg?

30 kilometers per liter is 70.564375 miles per US gallon.

Why does L/100 km go down when mpg goes up?

mpg measures distance per fuel (higher is better) while L/100 km measures fuel per distance (lower is better). One is the reciprocal of the other, so the conversion divides rather than multiplies.

Does this km/L to mpg converter work offline?

Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.