Fuel Economy Converter
Convert between miles per gallon (MPG), liters per 100 kilometers (L/100km), kilometers per liter (km/L), and many more. Includes copy button, swap, and reference table. No signup, no uploads — all local.
7.84
L/100km
Common conversions (30 MPG US)
| Unit | Value |
|---|---|
| MPG (US) | 30 |
| MPG (UK) | 36.03 |
| L/100km | 7.84 |
| km/L | 12.75 |
| Miles per Liter | 7.93 |
| km per US Gallon | 48.28 |
| km per UK Gallon | 57.99 |
Why use this fuel economy converter?
Different countries use different ways to measure fuel efficiency. MPG is common in the US and UK, while L/100km and km/L are standard in most of Europe, Asia, and elsewhere. This tool helps you quickly compare and convert between these units so you can understand your vehicle's efficiency no matter where you are.
- Instant conversion – results update as you type or change units.
- Multiple units – MPG (US), MPG (UK), L/100km, km/L, miles per liter, and more.
- Copy result – one click copies the converted value.
- Swap units – quickly reverse the conversion direction.
- 100% private – calculations happen locally in your browser.
How to convert fuel economy units
1. Enter a value
Type any number into the value box.
2. Choose units
Select the unit you're converting from and the unit you want to convert to.
3. Get result
The converted value appears instantly. Use the copy button or swap direction.