Fuel Economy Converter
Convert between mpg, km/L, and L/100km fuel efficiency units.
What is the Fuel Converter Tool?
Our free online Fuel Converter converts efficiency ratings between miles per gallon (mpg) and kilometers per liter (km/L). It helps check car fuel efficiency.
How to Use Fuel Converter
- 1Enter the fuel efficiency value in the input field.
- 2Select your starting and target fuel efficiency units.
- 3Read the converted fuel efficiency output instantly.
Common Use Cases
- •Checking car efficiency ratings for road trips.
- •Comparing vehicle specs.
- •Optimizing fuel budgets.
🔒 Privacy & Processing Notice
This tool processes all data entirely in your browser using client-side JavaScript. Your input is never uploaded to any server, ensuring 100% privacy and confidentiality. No data is stored, logged, or transmitted.
Frequently Asked Questions
What fuel units are supported?
We support miles per gallon (US), miles per gallon (UK), kilometers per liter, and liters per 100 kilometers (L/100km).
How is mpg converted to km/L?
Multiply the US mpg value by approximately 0.42514 to find the efficiency in km/L.
Does the tool use a server?
No, conversions run locally in your browser.
Is Fuel Economy Converter free to use?
Yes, Fuel Economy Converter is 100% free with no signup required.
Is my data safe?
All processing happens in your browser. Your data never leaves your device.
Does it work offline?
Once the page loads, Fuel Economy Converter works entirely client-side.