About the Fuel Economy Converter
Convert between MPG (US and UK), km per litre and litres per 100 km. This tool is free, works in your browser and needs no sign-up.
How to use the Fuel Economy Converter
Enter a value and choose its unit.
Formula used
All values are changed to km per litre first. L/100 km = 100 ÷ km per litre.
Example
With Value 30, From Miles per gallon (US), the calculator shows: Miles per gallon (US) = 30; Miles per gallon (UK) = 36.028; Kilometres per litre = 12.754.
Frequently asked questions
Is the Fuel Economy Converter free to use?
Yes. It is completely free and you can use it as many times as you like.
How accurate is the Fuel Economy Converter?
The calculator uses standard formulas, so the maths is exact. Real life results can differ because of fees, taxes, rounding or personal factors, so treat the answer as an estimate.
Do you store the numbers I enter?
No. All calculations run in your browser. The values you type are not sent to our server.
Disclaimer: results are estimates for information only. They are not financial, medical or professional advice.