Performance and units · free calculator
Fuel economy converter: l/100 km, mpg and km/l
Type a fuel economy figure in any unit to convert it to l/100 km, UK and US miles per gallon and kilometres per litre.
Result
- l/100 km
- 6.50lower is better
- mpg (UK)
- 43.5imperial gallon, 4.546 l
- mpg (US)
- 36.2US gallon, 3.785 l
- km/l
- 15.38
50.0 l/100 km0.6 l/100 km
More economical than 81% of the 1767 versions with an official figure in our catalog.
Cars in our catalog with a similar figure
- Abarth 500C · 1.4 99 kW (135 PS) Convertible6.5 l/100 km · 43.5 mpg UK
- Lifan X50 · 1.5 76 kW (103 PS) SUV6.5 l/100 km · 43.5 mpg UK
- FAW Oley · 1.5 CA4GA5 75 kW (102 PS) Sedan6.5 l/100 km · 43.5 mpg UK
- Moskvich-407 · 1.4 33 kW (45 PS) Sedan6.5 l/100 km · 43.5 mpg UK
- Mini Countryman F60 · Cooper (136 PS)6.5 l/100 km · 43.5 mpg UK
Example with typical values — change the fields to calculate your own.
Conversion formulas
- mpg (US) = 235.21 ÷ l/100 km
- mpg (UK) = 282.48 ÷ l/100 km
- km/l = 100 ÷ l/100 km
l/100 km measures how much fuel is used over a fixed distance, so lower is better. Miles per gallon and km/l measure how far you get on a fixed amount of fuel, so higher is better. The UK (imperial) gallon is 4.546 litres and the US gallon is 3.785 litres, which is why the same car shows a higher mpg figure in the UK than in the US.
Quick reference
| l/100 km | mpg (UK) | mpg (US) | km/l |
|---|---|---|---|
| 4 | 70.6 | 58.8 | 25.0 |
| 5 | 56.5 | 47.0 | 20.0 |
| 6 | 47.1 | 39.2 | 16.7 |
| 7 | 40.4 | 33.6 | 14.3 |
| 8 | 35.3 | 29.4 | 12.5 |
| 10 | 28.2 | 23.5 | 10.0 |
| 12 | 23.5 | 19.6 | 8.3 |
| 15 | 18.8 | 15.7 | 6.7 |
Frequently asked questions
Is a higher l/100 km figure better or worse?
Worse. l/100 km is fuel used per distance, so a smaller number means a more economical car.
Why are UK and US mpg different?
The imperial (UK) gallon holds 4.546 litres and the US gallon 3.785 litres, so the same consumption gives about 20% more mpg in UK units.
How many mpg is 5 l/100 km?
About 56.5 mpg UK, 47.0 mpg US or 20 km/l.