Fuel Economy Converter
Convert fuel economy between US MPG, UK MPG, L/100 km, and km/L.
About this tool
What is Fuel Economy Converter?
Convert vehicle fuel economy between miles per gallon in US and imperial measurements, liters per 100 kilometers, and kilometers per liter. The converter runs entirely in your browser.
How to use
Get your result in a few steps
- 1
Enter the fuel economy value.
- 2
Choose the source unit.
- 3
Choose the target unit.
- 4
Click 'Convert'.
Frequently asked questions
Questions about Fuel Economy Converter
Are US MPG and UK MPG different?
Yes. US and imperial gallons have different volumes, so the converter treats them separately.
Why does L/100 km move opposite to MPG?
Lower L/100 km means less fuel is consumed, while higher MPG means more distance is traveled per gallon.
Does this use vehicle-specific data?
No. It only converts the fuel economy value you enter.
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