How to convert litres per 100 km to MPG (UK)
MPG (UK) = 282.481 ÷ (L/100 km)
Example: 8 L/100 km → 35.3101 mpg (UK)
Liters per 100 km to MPG (UK) table
| Liters per 100 km (L/100 km) | MPG (UK) (mpg (UK)) |
|---|---|
| 3 L/100 km | 94.160312 mpg (UK) |
| 4 L/100 km | 70.620234 mpg (UK) |
| 5 L/100 km | 56.496187 mpg (UK) |
| 6 L/100 km | 47.080156 mpg (UK) |
| 7 L/100 km | 40.354419 mpg (UK) |
| 8 L/100 km | 35.310117 mpg (UK) |
| 9 L/100 km | 31.386771 mpg (UK) |
| 10 L/100 km | 28.248094 mpg (UK) |
| 12 L/100 km | 23.540078 mpg (UK) |
| 15 L/100 km | 18.832062 mpg (UK) |
| 20 L/100 km | 14.124047 mpg (UK) |
| 25 L/100 km | 11.299237 mpg (UK) |
| 30 L/100 km | 9.4160312 mpg (UK) |
| 40 L/100 km | 7.0620234 mpg (UK) |
About these units
Liters per 100 km (L/100 km): Litres per 100 kilometres is the fuel-consumption measure in Europe, Asia and Australia – lower numbers mean better economy.
MPG (UK) (mpg (UK)): Miles per imperial gallon is used in the UK. Because the imperial gallon is larger, UK mpg figures are about 20% higher than US mpg for the same car.
Frequently asked questions
How do you convert litres per 100 km to MPG (UK)?
Litres per 100 km and MPG (UK) are inversely related, so use MPG (UK) = 282.481 ÷ (L/100 km). For example, 8 L/100 km = 35.3101 mpg (UK).
How do I convert L/100 km to mpg (UK)?
Use the formula MPG (UK) = 282.481 ÷ (L/100 km). For example, 8 L/100 km gives 35.3101 mpg (UK).
How do I convert MPG (UK) back to litres per 100 km?
Use the reverse formula on our MPG (UK) to Liters per 100 km page, or press Swap in the converter above.
What does L/100 km mean?
Litres per 100 kilometres is the fuel-consumption measure in Europe, Asia and Australia – lower numbers mean better economy.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every fuel economy unit at once? Use the Fuel Economy Converter.