How to convert km per liter to MPG (UK)
Kilometers per Liter 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.
Kilometers per Liter to MPG (UK) conversion table
| Kilometers per Liter (km/L) | MPG (UK) (mpg (UK)) |
|---|---|
| 3 km/L | 8.47442808995 mpg (UK) |
| 5 km/L | 14.1240468166 mpg (UK) |
| 8 km/L | 22.5984749065 mpg (UK) |
| 10 km/L | 28.2480936332 mpg (UK) |
| 15 km/L | 42.3721404498 mpg (UK) |
| 20 km/L | 56.4961872664 mpg (UK) |
| 25 km/L | 70.620234083 mpg (UK) |
| 30 km/L | 84.7442808995 mpg (UK) |
| 40 km/L | 112.992374533 mpg (UK) |
| 50 km/L | 141.240468166 mpg (UK) |
About the units
Kilometers per Liter (km/L)
Kilometers per liter is how far a vehicle travels on one liter of fuel.
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 km per liter (km/L) 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 km per liter.
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 kilometers per liter?
2.82480936332 mpg (UK) corresponds to 1 km/L. Because this scale uses an offset or an inverse relationship, there is no single multiplication factor — use the formula above.
How do I convert km per liter 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 km/L in mpg (UK)?
25 km/L = 70.620234083 mpg (UK). Also, 10 km/L = 28.2480936332 mpg (UK) and 40 km/L = 112.992374533 mpg (UK).
What is the difference between a kilometers per liter and a mpg (uk)?
Kilometers per liter is how far a vehicle travels on one liter of fuel. 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 Kilometers per Liter 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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