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KitWren

Fuel Economy Converter

Convert MPG (US and UK), L/100km and km/L.

  1. Type a value
  2. Choose the units
  3. The answer updates instantly
Runs in your browser. Your data and files never leave your device.

About the Fuel Economy Converter

Compare fuel efficiency across countries: US and UK miles per gallon, litres per 100 km and kilometres per litre. Lower L/100km is better; higher MPG is better.

Fuel Economy Converter formula

L/100km = 235.215 ÷ US mpg
L/100km = 282.481 ÷ UK mpg

Frequently asked questions

What is 30 mpg in L/100km?

7.84 L/100km using US gallons, or 9.42 L/100km using UK gallons.