How do I work out MPG?

MPG = distance (miles) ÷ fuel (gallons). If fuel is in litres, convert to UK gallons (litres ÷ 4.546) then divide miles by that. Or: MPG = miles × 4.546 ÷ litres.

MPG Calculator

Calculate miles per gallon (UK) from distance and fuel used in litres.

Distance (miles)

Fuel used (litres)

How to work out MPG

Enter distance in miles and fuel used in litres. We use UK gallons (1 UK gallon = 4.546 litres) to give MPG. We also show L/100 km for European-style fuel consumption.

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