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Fuel Consumption Converter

Convert fuel economy between liters per 100 kilometers, kilometers per liter and US or imperial miles per gallon. Free to use, with no account required.

Convert values instantly

Change the value or either unit to update the result immediately. Your input stays in this browser.

Converted value100 km/L

1 L/100 km = 100 km/L

Calculations run locally in your browser. No values are uploaded or saved.

How to use this converter

  1. Enter a value or integer in the input field.
  2. Choose the source and destination units, or the input number system.
  3. Review the result, which updates as you change the value or selections. Select Clear to reset the input.

All conversion calculations run in your browser and your values are not sent to QuickQR.

Conversion information

Fuel economy is reciprocal: km/L = 100 ÷ (L/100 km). US and imperial mpg use different gallon sizes. Values must be greater than zero because a zero consumption or economy has no finite reciprocal conversion.

Frequently asked questions

How does the fuel consumption converter work?

Convert fuel economy between liters per 100 kilometers, kilometers per liter and US or imperial miles per gallon.

Are my conversion values uploaded?

No. Conversion calculations run locally in your browser. QuickQR does not receive or store the values you enter.

Can I use the fuel consumption converter on my phone?

Yes. The converter is designed for mobile, tablet and desktop browsers.