How to convert miles per gallon to kilometers per liter
km/L = mpg (UK) × 0.3540061899Multiply the value in miles per gallon by 0.3540061899. To go the other way, multiply by 2.824809363 (or divide by 0.3540061899).
A mile per imperial gallon is smaller than a kilometer per liter: it takes 2.824809363 miles per gallon to make one kilometer per liter.
Worked examples
- 1 mile per imperial gallon1 mpg (UK) × 0.3540061899 = 0.3540061899 km/L
- 5 miles per gallon (UK)5 mpg (UK) × 0.3540061899 = 1.77003095 km/L
- 10 miles per gallon (UK)10 mpg (UK) × 0.3540061899 = 3.540061899 km/L
- 20 miles per gallon (UK)20 mpg (UK) × 0.3540061899 = 7.080123799 km/L
- 100 miles per gallon (UK)100 mpg (UK) × 0.3540061899 = 35.40061899 km/L
Miles per gallon (UK) to kilometers per liter conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Miles per gallon (mpg (UK)) | Kilometers per liter (km/L) |
|---|---|
| 10 mpg (UK) | 3.5400619 km/L |
| 12 mpg (UK) | 4.2480743 km/L |
| 15 mpg (UK) | 5.3100928 km/L |
| 18 mpg (UK) | 6.3721114 km/L |
| 20 mpg (UK) | 7.0801238 km/L |
| 22 mpg (UK) | 7.7881362 km/L |
| 25 mpg (UK) | 8.8501547 km/L |
| 28 mpg (UK) | 9.9121733 km/L |
| 30 mpg (UK) | 10.620186 km/L |
| Miles per gallon (mpg (UK)) | Kilometers per liter (km/L) |
|---|---|
| 32 mpg (UK) | 11.328198 km/L |
| 35 mpg (UK) | 12.390217 km/L |
| 40 mpg (UK) | 14.160248 km/L |
| 45 mpg (UK) | 15.930279 km/L |
| 50 mpg (UK) | 17.700309 km/L |
| 55 mpg (UK) | 19.47034 km/L |
| 60 mpg (UK) | 21.240371 km/L |
| 70 mpg (UK) | 24.780433 km/L |
| 100 mpg (UK) | 35.400619 km/L |
About the units
Mile per imperial gallon (mpg (UK))
Miles per imperial gallon. The same car shows about 20% higher mpg in UK units than in US units. One mile per imperial gallon equals 0.3540061899 kilometers per liter (km/L).
Kilometer per liter (km/L)
Distance travelled per litre of fuel; common in India, Japan and Latin America.
Frequently asked questions
How many kilometers per liter are in one mile per imperial gallon?
There are 0.3540061899 kilometers per liter in one mile per imperial gallon, and this value is exact by definition.
How do I convert miles per gallon to kilometers per liter?
Multiply the number of miles per gallon by 0.3540061899. For example, 10 mpg (UK) × 0.3540061899 = 3.540061899 km/L.
How many miles per gallon are in one kilometer per liter?
One kilometer per liter equals 2.824809363 miles per gallon. That is the reverse factor, 1 ÷ 0.3540061899.
What is 10 miles per gallon (UK) in kilometers per liter?
10 mpg (UK) = 3.540061899 km/L.
Is this mpg (UK) to km/L converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.