⛽ Fuel Efficiency
MPG (UK) to L/100km Converter
Convert MPG (UK) to L/100km instantly with a reference conversion table.
MPG (UK) to L/100km
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Common conversions
| MPG (UK) | L/100km |
|---|
Formula:
How to convert MPG (UK) to L/100km
1
Enter your value
Type the number of mpg (uk) you want to convert into the left box. The result in l/100km appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — L/100km to MPG (UK). Your current value carries across so you don't have to re-enter anything.
3
About MPG (UK) and L/100km
MPG (UK) and L/100km are common fuel measurements.
💡 Did you know?
The UK switched to L/100km on new-car stickers as of the EU-alignment period, even though mpg remains colloquial. A 'good' modern petrol car in the UK: 55-65 mpg UK = 4.3-5.1 L/100km. Hybrids reach 70-80 mpg UK = 3.5-4.0 L/100km in combined use.
Reviewed for 2026. MPG (UK) ↔ L/100km conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.