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Fuel Economy Converter
Convert fuel economy units.
MPG, L/100km, km/L. Free, no signup.
Frequently Asked Questions
MPG measures distance per unit of fuel (higher is better), while L/100km measures fuel used per fixed distance (lower is better). This tool handles the inversion automatically.
No, a US gallon and a UK (imperial) gallon are different sizes, so US MPG and UK MPG differ even for the same actual fuel efficiency. This tool converts each correctly.