Fuel Economy Converter: km/l, L/100 km, mpg (US and UK)

Compare car mileage across countries: km per litre, litres per 100 km, and miles per US or UK gallon.

How to use the fuel economy converter

1. Type a number and pick the units.
2. Every other unit is shown at once; tap a value to copy it.
3. Use ⇅ Swap to convert the other way.

Questions

Is my data private?

Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.

Is it free?

Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.