Unit converters
Fuel Economy Converter
Convert US and imperial MPG, liters per 100 km, and km/L. Nothing you enter leaves your browser.
Enter your values, then calculate.
What this tool does
About the Fuel Economy Converter
Convert US and imperial MPG, liters per 100 km, and km/L. It reports equivalent values across supported units so measurements can be compared without looking up each factor separately.
The calculation uses fuel economy, and unit.
How to use it
- Review the starting values for fuel economy, unit and replace them with your own.
- Choose any available units or assumptions, then select “Calculate.”
- Read the labeled result, compare another scenario if needed, and copy the output for your notes.
Practical example
Start with a known input
The workbench starts with a complete scenario: Fuel economy: 30 Unit: us miles per gallon Change one assumption at a time to see how it affects the result.
What to know about the result
- Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.
Common questions
Using the Fuel Economy Converter
Is the Fuel Economy Converter free to use?
Yes. FormatCalc's Fuel Economy Converter is free to use with no account required.
Is my data private when I use the Fuel Economy Converter?
Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.
How do I use the Fuel Economy Converter?
Enter your values, select any units, and choose Calculate. You can then copy the result.
What should I check before using the result?
Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.