How to convert liters per 100km to km per liter
Liters per 100 km and Kilometers per Liter 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 Kilometers per Liter conversion table
| Liters per 100 km (L/100 km) | Kilometers per Liter (km/L) |
|---|---|
| 3 L/100 km | 33.3333333333 km/L |
| 5 L/100 km | 20 km/L |
| 8 L/100 km | 12.5 km/L |
| 10 L/100 km | 10 km/L |
| 15 L/100 km | 6.66666666667 km/L |
| 20 L/100 km | 5 km/L |
| 25 L/100 km | 4 km/L |
| 30 L/100 km | 3.33333333333 km/L |
| 40 L/100 km | 2.5 km/L |
| 50 L/100 km | 2 km/L |
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.
Kilometers per Liter (km/L)
Kilometers per liter is how far a vehicle travels on one liter of fuel.
How to use this converter
- Type the number of liters per 100km (L/100 km) in the input box.
- The result in km per liter appears instantly — no button needed.
- See the same value in every other fuel economy unit just below.
- Use “Swap units” to convert km per liter back to liters per 100km.
When you’ll use the liters per 100 km to kilometers per liter conversion
Converting liters per 100km to km per liter comes up more often than you might expect — for example when comparing a car rated abroad with one at home, reading European L/100 km figures, or estimating trip fuel use. 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 km per liter are in one liters per 100 km?
100 km/L 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 km per liter?
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 km/L?
25 L/100 km = 4 km/L. Also, 10 L/100 km = 10 km/L and 40 L/100 km = 2.5 km/L.
What is the difference between a liters per 100 km and a kilometers per liter?
Liters per 100 kilometers is fuel used to travel 100 km; lower numbers mean better economy. Kilometers per liter is how far a vehicle travels on one liter of fuel.
Is this tool free and private?
Yes — the Liters per 100 km to Kilometers per Liter 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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