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Fuel Economy Calculator
Calculate fuel economy from distance and fuel used, with results in km/L, L/100 km and US MPG.
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Formula
km/L = distance ÷ litres. L/100 km = litres ÷ distance × 100. US MPG ≈ km/L × 2.35215.
km/L = distance ÷ litres. L/100 km = litres ÷ distance × 100. US MPG ≈ km/L × 2.35215.
How it works
1
Enter distance traveled.
2
Enter fuel used.
3
Review all three fuel-economy formats.
Important notes
US MPG is different from Imperial MPG; this page uses the US gallon conversion.