Fuel Consumption Converter
Convert fuel economy between the systems used in different countries. This is the one conversion where the units run in opposite directions: MPG measures distance per fuel, so higher is better, while L/100km measures fuel per distance, so lower is better. They're reciprocals, not multiples, and treating them as multiples gives a wrong answer in both directions.
7 litres per 100 km =
33.6021 miles per gallon (US)
- litres per 100 km
- 7
- kilometres per litre
- 14.2857
- miles per gallon (imperial)
- 40.3544
Nothing is uploaded — this tool runs inside your browser, so your files never leave your device.
Why use this tool
- US and imperial MPG kept separate — the gallons differ by 20%
- Handles the reciprocal relationship correctly
- L/100km, km/L and MPG all shown together
- Instant and free
How it works
- 1Enter your fuel economy figure.
- 2Choose the unit it's in and the unit you want.
- 3Read the answer, with the other systems listed underneath.
Fuel Consumption Converter — frequently asked questions
Because they measure opposite things. MPG is distance per unit of fuel; L/100km is fuel per unit of distance. Converting means dividing into a constant, not multiplying — 235.21 ÷ MPG gives L/100km for US gallons.
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