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Fuel economy converter
Convert L/100 km, km/L, US mpg and UK mpg without confusing gallon definitions.
Your inputs stay in this tab. We do not receive your files, pasted text or calculation values.
Input
How to use this tool
- Enter your values or choose a local file. Replace the example data with your own.
- Review options, units and assumptions, then run the tool.
- Check the result before copying or downloading it. Keep an original copy of important files.
Method & assumptions
Convert L/100 km, km/L, US mpg and UK mpg without confusing gallon definitions.
US mpg = 235.214583333 ÷ L/100 kmWorked example
8 L/100 km = 29.4018229167 US mpg.
Limits & important notes
Output depends on your input and browser support. Keep the original. Large files may exceed your device’s memory.
Content updated:
Privacy & Free to use
Are my inputs stored?
Your inputs stay in this tab. We do not receive your files, pasted text or calculation values.
Is this tool free?
Yes. No signup or payment is required.