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Fuel economy converter

Convert L/100 km, km/L and miles per gallon. Compare US and Imperial mpg without mixing up gallon sizes.

Unit converterAlways free

Choose your units, then edit either value.

5 L/100 km = 47.042917 US mpg

Use a decimal point or scientific notation, such as 12.5 or 1e3.

Lower L/100 km means less fuel used. Higher mpg or km/L means more distance per unit of fuel. US and Imperial gallons differ.

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