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Fuel Efficiency Calculators

Calculate and convert fuel efficiency metrics — MPG, L/100km, km/L and CO₂ emissions.

MPG Calculator

Calculate your car's miles per gallon (MPG) from miles driven and gallons used.

Convert miles per gallon (MPG) to liters per 100 kilometers (L/100km) and back.

Calculate kilometers per liter (km/L) fuel efficiency from distance and fuel used.

Compare fuel efficiency and annual costs of two vehicles side by side.

Calculate CO2 emissions from your vehicle's fuel consumption for gas and diesel.