How to convert liters per 100km to MPG (US)
Liters per 100 km and MPG (US) 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 (US) conversion table
| Liters per 100 km (L/100 km) | MPG (US) (mpg) |
|---|---|
| 3 L/100 km | 78.4048611111 mpg |
| 5 L/100 km | 47.0429166667 mpg |
| 8 L/100 km | 29.4018229167 mpg |
| 10 L/100 km | 23.5214583333 mpg |
| 15 L/100 km | 15.6809722222 mpg |
| 20 L/100 km | 11.7607291667 mpg |
| 25 L/100 km | 9.40858333333 mpg |
| 30 L/100 km | 7.84048611111 mpg |
| 40 L/100 km | 5.88036458333 mpg |
| 50 L/100 km | 4.70429166667 mpg |
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 (US) (mpg)
US miles per gallon is miles traveled per US gallon (3.785 L) of fuel.
How to use this converter
- Type the number of liters per 100km (L/100 km) in the input box.
- The result in MPG (US) appears instantly — no button needed.
- See the same value in every other fuel economy unit just below.
- Use “Swap units” to convert MPG (US) back to liters per 100km.
When you’ll use the liters per 100 km to mpg (us) conversion
Converting liters per 100km to mpg 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 (US) are in one liters per 100 km?
235.214583333 mpg 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 (US)?
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?
25 L/100 km = 9.40858333333 mpg. Also, 10 L/100 km = 23.5214583333 mpg and 40 L/100 km = 5.88036458333 mpg.
What is the difference between a liters per 100 km and a mpg (us)?
Liters per 100 kilometers is fuel used to travel 100 km; lower numbers mean better economy. US miles per gallon is miles traveled per US gallon (3.785 L) of fuel.
Is this tool free and private?
Yes — the Liters per 100 km to MPG (US) 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.
Related tools
📬 Get new tools first — free
Join Taurang to hear about new calculators, converters and features. No spam; unsubscribe anytime.