How to convert miles per gallon (UK) to liters per 100 kilometers
Use the formula L/100 km = 282.481 ÷ mpg (UK).
Example: 40 mpg (UK) is 7.062 L/100 km.
UK MPG to L/100 km chart
| Miles per gallon (UK) (mpg (UK)) | Liters per 100 kilometers (L/100 km) |
|---|---|
| 20 mpg (UK) | 14.124 L/100 km |
| 25 mpg (UK) | 11.2992 L/100 km |
| 30 mpg (UK) | 9.416 L/100 km |
| 35 mpg (UK) | 8.0709 L/100 km |
| 40 mpg (UK) | 7.062 L/100 km |
| 45 mpg (UK) | 6.2774 L/100 km |
| 50 mpg (UK) | 5.6496 L/100 km |
| 55 mpg (UK) | 5.136 L/100 km |
| 60 mpg (UK) | 4.708 L/100 km |
| 65 mpg (UK) | 4.3459 L/100 km |
| 70 mpg (UK) | 4.0354 L/100 km |
Values are rounded to six decimals below 1, four decimals up to 1,000 and two decimals above. The converter above shows more digits.
About the units
Miles per gallon (UK) uses the larger imperial gallon of 4.54609 liters, so the same car shows a higher number than in US mpg.
Liters per 100 kilometers is the fuel used to drive 100 km. Lower is better, which is why it runs the other way round from mpg.
Need the other direction? Use the L/100 km to UK MPG converter. For every fuel economy unit at once, open the Fuel Economy Converter.
Frequently asked questions
What is the formula to convert UK MPG to L/100 km?
L/100 km = 282.481 ÷ mpg (UK). For example, 40 mpg (UK) is 7.062 L/100 km.
How do I convert miles per gallon (UK) to liters per 100 kilometers?
Use the formula L/100 km = 282.481 ÷ mpg (UK). For example: 40 mpg (UK) is 7.062 L/100 km.
What is 50 miles per gallon (UK) in liters per 100 kilometers?
50 miles per gallon (UK) is 5.6496 liters per 100 kilometers.