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Fuel Economy converter

MPG, L/100 km, km/L — including the US/UK gallon gap.

Fuel economy is the classic inverted conversion: more miles per gallon is better, but fewer litres per 100 km is better. Because the relationship is reciprocal, the graph is a curve, not a straight line. Note that a US gallon is smaller than an imperial gallon, so US MPG figures always look worse than UK ones for the same car.

Result
235.2145833

1 MPG (US) = 235.2145833 L/100km

Enter a value to see the equivalent in liters per 100 km.

Results are rounded for display. Double-check values for critical work.

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Kilometer per Literkm/L
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Mile per Imperial GallonMPG (UK)
Mile per Litermi/L
Liter per 100 kmL/100km
Liter per KilometerL/km
US Gallon per 100 Milesgal/100mi

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