Conversions

Fuel economy converter

Switch between mpg, litres per 100 km and km per litre.

Fuel economy converter
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A clear answer. Here’s how.

Uses the international mile and explicitly labelled US or imperial gallons. Litres/100 km is a consumption measure, so it is inversely related to mpg and km/l. Values must be positive.

See a worked example

Worked example

A fixed demonstration, separate from the values you enter above.

Fuel economy
40
From
Miles per US gallon
To
Litres per 100 km

Example result

5.88036458333 L/100 km