How to convert MPG (UK) to litres per 100 km
L/100 km = 282.481 ÷ MPG (UK)
Example: 8 mpg (UK) → 35.3101 L/100 km
MPG (UK) to Liters per 100 km table
| MPG (UK) (mpg (UK)) | Liters per 100 km (L/100 km) |
|---|---|
| 3 mpg (UK) | 94.160312 L/100 km |
| 4 mpg (UK) | 70.620234 L/100 km |
| 5 mpg (UK) | 56.496187 L/100 km |
| 6 mpg (UK) | 47.080156 L/100 km |
| 7 mpg (UK) | 40.354419 L/100 km |
| 8 mpg (UK) | 35.310117 L/100 km |
| 9 mpg (UK) | 31.386771 L/100 km |
| 10 mpg (UK) | 28.248094 L/100 km |
| 12 mpg (UK) | 23.540078 L/100 km |
| 15 mpg (UK) | 18.832062 L/100 km |
| 20 mpg (UK) | 14.124047 L/100 km |
| 25 mpg (UK) | 11.299237 L/100 km |
| 30 mpg (UK) | 9.4160312 L/100 km |
| 40 mpg (UK) | 7.0620234 L/100 km |
About these units
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.
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.
Frequently asked questions
How do you convert MPG (UK) to litres per 100 km?
MPG (UK) and Litres per 100 km are inversely related, so use L/100 km = 282.481 ÷ MPG (UK). For example, 8 mpg (UK) = 35.3101 L/100 km.
How do I convert mpg (UK) to L/100 km?
Use the formula L/100 km = 282.481 ÷ MPG (UK). For example, 8 mpg (UK) gives 35.3101 L/100 km.
How do I convert litres per 100 km back to MPG (UK)?
Use the reverse formula on our Liters per 100 km to MPG (UK) page, or press Swap in the converter above.
What is a 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.
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.