How to convert liters per 100km to MPG (UK)
Liters per 100 km and MPG (UK) are related by a formula rather than a single factor. Fuel economy conversions let you compare cars rated in different countries. Note that L/100 km is an inverse measure — lower is better.
Liters per 100 km to MPG (UK) conversion table
| Liters per 100 km (L/100 km) | MPG (UK) (mpg (UK)) |
|---|---|
| 3 L/100 km | 94.1603121106 mpg (UK) |
| 5 L/100 km | 56.4961872664 mpg (UK) |
| 8 L/100 km | 35.3101170415 mpg (UK) |
| 10 L/100 km | 28.2480936332 mpg (UK) |
| 15 L/100 km | 18.8320624221 mpg (UK) |
| 20 L/100 km | 14.1240468166 mpg (UK) |
| 25 L/100 km | 11.2992374533 mpg (UK) |
| 30 L/100 km | 9.41603121106 mpg (UK) |
| 40 L/100 km | 7.0620234083 mpg (UK) |
| 50 L/100 km | 5.64961872664 mpg (UK) |
About the units
Liters per 100 km (L/100 km)
Liters per 100 kilometers is fuel used to travel 100 km; lower numbers mean better economy.
MPG (UK) (mpg (UK))
Imperial miles per gallon uses the larger 4.546 L UK gallon, so UK mpg figures are higher.
How to use this converter
- Type the number of liters per 100km (L/100 km) in the input box.
- The result in MPG (UK) appears instantly — no button needed.
- See the same value in every other fuel economy unit just below.
- Use “Swap units” to convert MPG (UK) back to liters per 100km.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many MPG (UK) are in one liters per 100 km?
282.480936332 mpg (UK) corresponds to 1 L/100 km. Because this scale uses an offset or an inverse relationship, there is no single multiplication factor — use the formula above.
How do I convert liters per 100km to MPG (UK)?
Apply the formula shown on this page, or enter your value in the converter for an instant exact answer.
What is 25 L/100 km in mpg (UK)?
25 L/100 km = 11.2992374533 mpg (UK). Also, 10 L/100 km = 28.2480936332 mpg (UK) and 40 L/100 km = 7.0620234083 mpg (UK).
What is the difference between a liters per 100 km and a mpg (uk)?
Liters per 100 kilometers is fuel used to travel 100 km; lower numbers mean better economy. Imperial miles per gallon uses the larger 4.546 L UK gallon, so UK mpg figures are higher.
Is this tool free and private?
Yes — the Liters per 100 km to MPG (UK) is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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