How to convert liters per 100 kilometers to miles per gallon (UK)
mpg (UK) = 282.4809363 ÷ L/100 kmLiters per 100 kilometers and miles per gallon are inversely related: when one goes up the other goes down. Divide 282.4809363 by the value — do not multiply.
Worked examples
- 4.5 liters per 100 kilometers282.4809363 ÷ 4.5 = 62.77354141 mpg (UK)
- 6 liters per 100 kilometers282.4809363 ÷ 6 = 47.08015606 mpg (UK)
- 7.5 liters per 100 kilometers282.4809363 ÷ 7.5 = 37.66412484 mpg (UK)
- 11 liters per 100 kilometers282.4809363 ÷ 11 = 25.68008512 mpg (UK)
- 18 liters per 100 kilometers282.4809363 ÷ 18 = 15.69338535 mpg (UK)
Liters per 100 kilometers to miles per gallon (UK) conversion table
Values are calculated by the conversion engine using the full formula and rounded to 8 significant figures.
| Liters per 100 kilometers (L/100 km) | Miles per gallon (mpg (UK)) |
|---|---|
| 3 L/100 km | 94.160312 mpg (UK) |
| 4 L/100 km | 70.620234 mpg (UK) |
| 4.5 L/100 km | 62.773541 mpg (UK) |
| 5 L/100 km | 56.496187 mpg (UK) |
| 5.5 L/100 km | 51.36017 mpg (UK) |
| 6 L/100 km | 47.080156 mpg (UK) |
| 6.5 L/100 km | 43.458606 mpg (UK) |
| 7 L/100 km | 40.354419 mpg (UK) |
| 7.5 L/100 km | 37.664125 mpg (UK) |
| Liters per 100 kilometers (L/100 km) | Miles per gallon (mpg (UK)) |
|---|---|
| 8 L/100 km | 35.310117 mpg (UK) |
| 9 L/100 km | 31.386771 mpg (UK) |
| 10 L/100 km | 28.248094 mpg (UK) |
| 11 L/100 km | 25.680085 mpg (UK) |
| 12 L/100 km | 23.540078 mpg (UK) |
| 13 L/100 km | 21.729303 mpg (UK) |
| 15 L/100 km | 18.832062 mpg (UK) |
| 18 L/100 km | 15.693385 mpg (UK) |
| 20 L/100 km | 14.124047 mpg (UK) |
About the units
Liter per 100 kilometers (L/100 km)
Fuel used to cover 100 km — lower is better. The standard in Europe, Canada and Australia.
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).
Frequently asked questions
What is the formula to convert liters per 100 kilometers to miles per gallon (UK)?
mpg (UK) = 282.4809363 ÷ L/100 km. Liters per 100 kilometers and miles per gallon are inversely related: when one goes up the other goes down. Divide 282.4809363 by the value — do not multiply.
What is 6 liters per 100 kilometers in miles per gallon (UK)?
6 L/100 km = 47.08015606 mpg (UK).
Why is this not a simple multiplication?
One unit measures the quantity directly and the other measures its inverse, so a larger value in one means a smaller value in the other. That is why the formula divides a constant by your value.
Is this L/100 km to mpg (UK) 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.