Fuel Cost Calculator Notes

  • How to Calculate Fuel Cost

    Fuel Used = Distance / MPG × 4.546

    Cost = Fuel Used × Price per Litre

    Note: 1 UK gallon = 4.546 litres

  • MPG to L/100km Conversion

    L/100km = 282.5 / MPG

    MPG = 282.5 / L/100km

  • Average Fuel Efficiencies

    • Small petrol cars: 40-55 MPG
    • Large petrol cars: 25-35 MPG
    • Diesel cars: 50-70 MPG
    • Hybrid cars: 50-65 MPG