Fuel economy converter
Convert mpg, L/100 km and km/L
Loading Fuel economy converter…
How to use it
- Enter your numbers.
- The result updates as you type.
- Change any value to see a different outcome.
Questions
Why does mpg go up when L/100 km goes down?
L/100 km measures fuel used per distance, so lower is better. Mpg measures distance per fuel, so higher is better. They are two views of the same thing, and one is 235.2 divided by the other (US mpg).
Is anything I enter stored?
No. Calculations happen in your browser and nothing you type is sent or saved.
Is it free?
Yes, you can use it for free. A subscription removes limits and unlocks premium tools.