What is the Fuel Economy Converter?
Convert between MPG (US & Imperial), km/L and L/100km. The Fuel Economy Converter is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Unit Converters tools on DevNibble such as Unit Converter, CSS Unit Converter, Data Size Converter.
How to use the Fuel Economy Converter
- Paste the source data into the input.
- The converted output appears instantly.
- Copy or download the result.
Features
- Runs 100% in your browser — your data is never uploaded or stored.
- Free forever, with no account, no ads and no tracking.
- Copy or download your result in one click.
- Fast and responsive on desktop, tablet and mobile.
Frequently asked questions
Is the Fuel Economy Converter free to use?
Yes — Fuel Economy Converter is completely free with no sign-up, no ads and no limit on how many times you can use it.
Is my data private when I use the Fuel Economy Converter?
Everything happens locally in your browser. Your input is never sent to a server, which makes Fuel Economy Converter safe to use with private or sensitive data.
How do I use the Fuel Economy Converter?
Type a value and pick its unit; Fuel Economy Converter instantly shows the equivalent in every other supported unit.
Which units does the Fuel Economy Converter support?
Convert between MPG (US & Imperial), km/L and L/100km. All conversions use standard, internationally-recognised factors so the results are accurate in any direction.