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.
When you’ll use the kilometers per liter to mpg (uk) conversion
Converting km per liter to mpg uk comes up more often than you might expect — for example when reading European L/100 km figures, choosing between two vehicles, or comparing a car rated abroad with one at home. Type your number once and you get the exact answer plus every related unit, so you don’t need to convert twice.
Watch out for these mix-ups
- L/100 km goes down as efficiency improves; mpg goes up.
- UK mpg uses the larger imperial gallon, so UK figures look higher.
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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