Fuel Economy Converter illustration

Fuel Economy Converter

Converts fuel consumption between litres per 100 km, kilometres per litre, and miles per gallon in both US and UK gallons.

Notes

  • MPG and L/100 km are reciprocal scales: MPG (US) = 235.21 / (L/100 km). Halving consumption doubles MPG.
  • A UK gallon is 4.546 L, a US gallon 3.785 L — UK MPG numbers are always about 20% higher for the same car.

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