Convert mpg (UK) to km/L
miles per imperial gallon to kilometers per liter. Enter a value to convert, or use the mpg (UK) to km/L chart further down the page.
1 mile per imperial gallon equals 0.354006 kilometers per liter. Going the other way, 1 kilometer per liter = 2.82481 miles per imperial gallon.
Note. L/100km is an inverse measure — a lower number means better economy — so converting to or from it uses a reciprocal, not a multiplication.
How to convert mpg (UK) to km/L
To convert miles per imperial gallon to kilometers per liter, multiply the mile per imperial gallon value by 0.3540061899. You can also divide by 2.824809363 to get the same answer.
km/L = MPG (UK) × 0.3540061899
Worked example
Convert 30 MPG (UK) to kilometers per liter:
30 MPG (UK) = 10.6202 km/L
mpg (UK) to km/L conversion chart
Use this mpg (UK) to km/L table for quick reference without typing anything.
| miles per imperial gallon (MPG (UK)) | kilometers per liter (km/L) |
|---|---|
| 5 MPG (UK) | 1.77003 km/L |
| 10 MPG (UK) | 3.54006 km/L |
| 15 MPG (UK) | 5.31009 km/L |
| 20 MPG (UK) | 7.08012 km/L |
| 25 MPG (UK) | 8.85015 km/L |
| 30 MPG (UK) | 10.6202 km/L |
| 35 MPG (UK) | 12.3902 km/L |
| 40 MPG (UK) | 14.1602 km/L |
| 50 MPG (UK) | 17.7003 km/L |
| 60 MPG (UK) | 21.2404 km/L |
What is a mile per imperial gallon?
Miles per imperial gallon is the figure quoted in the UK. The imperial gallon is 4.54609 litres, about 20% larger than the US gallon.
What is a kilometer per liter?
Kilometers per liter is the fuel economy unit used in much of Asia, Africa and South America. Higher is better.
Frequently asked questions
How many km/L are in a mile per imperial gallon?
1 mpg (UK) equals 0.354006 km/L. Going the other way, 1 km/L is 2.82481 mpg (UK).
How do you convert mpg (UK) to km/L?
To convert miles per imperial gallon to kilometers per liter, multiply the mile per imperial gallon value by 0.3540061899. You can also divide by 2.824809363 to get the same answer.
What is 10 mpg (UK) in km/L?
10 mpg (UK) equals 3.54006 km/L. The conversion chart on this page lists the other values people look up most often.
Related fuel economy conversions
Convert mpg (UK) to other units
Convert other units to km/L
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