Fuel Economy Converter (MPG ↔ L/100km)

Compare cars from different countries by converting MPG, L/100 km and km/L.

Runs in your browser — nothing is uploaded

—

How to use MPG ↔ L/100km Converter

  1. Enter a fuel economy figure.
  2. Choose its unit.
  3. Read it in every other unit.

Questions

Why are UK and US MPG different?

A UK (imperial) gallon is 4.546 liters and a US gallon is 3.785 liters, so the same car shows a higher MPG figure in the UK.