Handy Units
MPG (UK) to L/100kmmpg (UK) → L/100km
Formula: L/100km ≈ 282.481 ÷ mpg (UK)
Formula
L/100km ≈ 282.481 ÷ mpg (UK)
Example: 35 mpg (UK) = 282.481 ÷ 35 = 8.07088 L/100km
Some units measure the same thing the other way round: L/100km is fuel per distance, while km/L and mpg are distance per fuel. Converting between them divides a constant by the value, so a smaller L/100km means a larger mpg.
MPG (UK) and L/100km chart
| MPG (UK) (mpg (UK)) | L/100km (L/100km) |
|---|---|
| 15 mpg (UK) | 18.8321 L/100km |
| 20 mpg (UK) | 14.124 L/100km |
| 25 mpg (UK) | 11.2992 L/100km |
| 30 mpg (UK) | 9.41603 L/100km |
| 35 mpg (UK) | 8.07088 L/100km |
| 40 mpg (UK) | 7.06202 L/100km |
| 45 mpg (UK) | 6.27735 L/100km |
| 50 mpg (UK) | 5.64962 L/100km |
| 60 mpg (UK) | 4.70802 L/100km |
| L/100km (L/100km) | MPG (UK) (mpg (UK)) |
|---|---|
| 3 L/100km | 94.1603 mpg (UK) |
| 4 L/100km | 70.6202 mpg (UK) |
| 5 L/100km | 56.4962 mpg (UK) |
| 6 L/100km | 47.0802 mpg (UK) |
| 7 L/100km | 40.3544 mpg (UK) |
| 8 L/100km | 35.3101 mpg (UK) |
| 9 L/100km | 31.3868 mpg (UK) |
| 10 L/100km | 28.2481 mpg (UK) |
| 12 L/100km | 23.5401 mpg (UK) |
| 15 L/100km | 18.8321 mpg (UK) |
| 20 L/100km | 14.124 mpg (UK) |
About these units
Miles per gallon (UK) (mpg (UK))Miles per imperial gallon, used in the UK; about 20% higher than US mpg for the same car.
Liters per 100 km (L/100km)Liters per 100 km: how much fuel a car uses over 100 km. Lower is better; used in China and Europe.
Questions
How do I convert MPG (UK) to L/100km?
L/100km ≈ 282.481 ÷ mpg (UK); 35 mpg (UK) = 282.481 ÷ 35 = 8.07088 L/100km.