Fuel Economy Converter
A free, browser-based converter. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter fuel use in L/100km.
- Press Calculate.
How it works
Converts between litres per 100 km, miles per gallon (US) and kilometres per litre. Note L/100km is inverse — a lower number is better.
Worked example
10 L/100km. = 10 km/L ≈ 23.5 mpg.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.