Miles per UK gallon to liters per 100 km
Type a value in mpg (UK) to get it in L/100 km instantly.
That's 1.25× as economical as a large SUV, while a family car is 1.13× better. On a 50-liter tank, that is about 531 km of range.
Convert the other way: L/100 km to mpg (UK)
What it means
How far on one tank?
Range assumes a 50-liter tank. US and UK gallons differ, so always check which mpg a figure means.
The math
How to convert mpg (UK) to L/100 km
These units run in opposite directions, so the conversion divides instead of multiplying: L/100 km = 235.215 ÷ mpg (US), and km/L = 100 ÷ L/100 km.
Example: 30 mpg (UK) = 9.41603 L/100 km.
Every unit
Your fuel economy in every unit
Tables
mpg (UK) to L/100 km conversion table
| mpg (UK) | L/100 km |
|---|---|
| 5 mpg (UK) | 56.4962 L/100 km |
| 6 mpg (UK) | 47.0802 L/100 km |
| 7 mpg (UK) | 40.3544 L/100 km |
| 8 mpg (UK) | 35.3101 L/100 km |
| 9 mpg (UK) | 31.3868 L/100 km |
| 10 mpg (UK) | 28.2481 L/100 km |
| 12 mpg (UK) | 23.5401 L/100 km |
| 15 mpg (UK) | 18.8321 L/100 km |
| 20 mpg (UK) | 14.124 L/100 km |
| 25 mpg (UK) | 11.2992 L/100 km |
| 30 mpg (UK) | 9.41603 L/100 km |
| 35 mpg (UK) | 8.07088 L/100 km |
| 40 mpg (UK) | 7.06202 L/100 km |
| 50 mpg (UK) | 5.64962 L/100 km |
| 60 mpg (UK) | 4.70802 L/100 km |
L/100 km to mpg (UK) conversion table
| L/100 km | mpg (UK) |
|---|---|
| 5 L/100 km | 56.4962 mpg (UK) |
| 6 L/100 km | 47.0802 mpg (UK) |
| 7 L/100 km | 40.3544 mpg (UK) |
| 8 L/100 km | 35.3101 mpg (UK) |
| 9 L/100 km | 31.3868 mpg (UK) |
| 10 L/100 km | 28.2481 mpg (UK) |
| 12 L/100 km | 23.5401 mpg (UK) |
| 15 L/100 km | 18.8321 mpg (UK) |
| 20 L/100 km | 14.124 mpg (UK) |
| 25 L/100 km | 11.2992 mpg (UK) |
| 30 L/100 km | 9.41603 mpg (UK) |
| 35 L/100 km | 8.07088 mpg (UK) |
| 40 L/100 km | 7.06202 mpg (UK) |
| 50 L/100 km | 5.64962 mpg (UK) |
| 60 L/100 km | 4.70802 mpg (UK) |
Quick answers
Quick answers
- How many L/100 km is 1 mpg (UK)?
- 1 mpg (UK) is 282.481 L/100 km.
- How many L/100 km is 10 mpg (UK)?
- 10 mpg (UK) is 28.2481 L/100 km.
- How many L/100 km is 30 mpg (UK)?
- 30 mpg (UK) is 9.41603 L/100 km.
The units
About these units
Miles per UK gallon (mpg (UK))
UK mpg uses the 4.546-liter imperial gallon, so the same car scores higher than in US mpg. British car reviews still quote it.
Liters per 100 km (L/100 km)
Liters per 100 km measures fuel used over a fixed distance, so lower is better. It is the European standard and scales directly with cost.
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