Convert mpg (UK) to L/100km
Miles per imperial gallon to liters per 100 kilometers. Enter a value to convert, or use the mpg (UK) to L/100km chart further down the page.
1 mile per imperial gallon equals 282.4809363 liters per 100 kilometers. Going the other way, 1 liter per 100 kilometers = 282.4809363 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 L/100km
Miles per imperial gallon and liters per 100 kilometers are inversely related — as one goes up the other goes down. Divide 282.4809363 by the mile per imperial gallon value to convert.
L/100km = 282.4809363 ÷ MPG (UK)
Worked example
Convert 30 MPG (UK) to liters per 100 kilometers:
30 MPG (UK) = 9.416031211 L/100km
mpg (UK) to L/100km conversion chart
Use this mpg (UK) to L/100km table for quick reference without typing anything.
| miles per imperial gallon (MPG (UK)) | liters per 100 kilometers (L/100km) |
|---|---|
| 5 MPG (UK) | 56.49618727 L/100km |
| 10 MPG (UK) | 28.24809363 L/100km |
| 15 MPG (UK) | 18.83206242 L/100km |
| 20 MPG (UK) | 14.12404682 L/100km |
| 25 MPG (UK) | 11.29923745 L/100km |
| 30 MPG (UK) | 9.416031211 L/100km |
| 35 MPG (UK) | 8.070883895 L/100km |
| 40 MPG (UK) | 7.062023408 L/100km |
| 50 MPG (UK) | 5.649618727 L/100km |
| 60 MPG (UK) | 4.708015606 L/100km |
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 liter per 100 kilometers?
Liters per 100 kilometers is the standard fuel consumption figure in Europe and Canada. Unlike MPG, lower is better.
Frequently asked questions
How many L/100km are in a mile per imperial gallon?
1 mpg (UK) equals 282.4809363 L/100km. Going the other way, 1 L/100km is 282.4809363 mpg (UK).
How do you convert mpg (UK) to L/100km?
Miles per imperial gallon and liters per 100 kilometers are inversely related — as one goes up the other goes down. Divide 282.4809363 by the mile per imperial gallon value to convert.
What is 10 mpg (UK) in L/100km?
10 mpg (UK) equals 28.24809363 L/100km. 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 L/100km
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