Liters per 100 kilometers (L/100 km) to Miles per UK gallon (mpg (imp)) Conversion
Liters per 100 kilometers
Litres per 100 kilometres (L/100 km) is the standard fuel consumption measure in Europe, Australia, Canada, and most of the world outside the US. Unlike mpg, it measures consumption rather than range — lower values mean greater efficiency. Standard atmospheric pressure is 101.3 kPa. To convert US mpg to L/100km, divide 235.215 by the mpg value. L/100km cannot be converted to mpg by simple multiplication because the relationship is inverse: L/100km = 235.215 / mpg (US) or 282.481 / mpg (UK). A fuel-efficient modern car achieves 4–6 L/100km; a large SUV typically consumes 9–14 L/100km.
Miles per UK gallon
Miles per UK gallon (mpg imp) measures fuel economy using the imperial gallon (4.54609 L), which is approximately 20% larger than the US gallon. As a result, the same vehicle achieves a higher mpg figure by the UK standard than by the US standard — a 40 mpg UK figure equals approximately 33.3 mpg US for the same vehicle. The UK mpg is still used in British automotive journalism and official government fuel economy testing, though EU-harmonised L/100km data is increasingly common since Brexit.
| Liters per 100 kilometers (L/100 km) | Miles per UK gallon (mpg (imp)) |
|---|---|
| 0.1 L/100 km | 2824.8093293624 mpg (imp) |
| 1 L/100 km | 282.48093293624 mpg (imp) |
| 2 L/100 km | 141.24046646812 mpg (imp) |
| 3 L/100 km | 94.160310978748 mpg (imp) |
| 5 L/100 km | 56.496186587249 mpg (imp) |
| 10 L/100 km | 28.248093293624 mpg (imp) |
| 20 L/100 km | 14.124046646812 mpg (imp) |
| 30 L/100 km | 9.4160310978748 mpg (imp) |
| 50 L/100 km | 5.6496186587249 mpg (imp) |
| 100 L/100 km | 2.8248093293624 mpg (imp) |
| 1000 L/100 km | 0.28248093293624 mpg (imp) |
Frequently Asked Questions (FAQ)
How many miles per UK gallon are in 1 liters per 100 kilometers?
1 liters per 100 kilometers (L/100 km) is exactly 2.8248 miles per UK gallon (mpg (imp)).
How do I convert liters per 100 kilometers to miles per UK gallon?
Multiply the value in liters per 100 kilometers by 2.8248 to get the result in miles per UK gallon. Or use the converter above — type any number and see the result instantly.