Gas Mileage Calculator
Calculate your vehicle's fuel efficiency (MPG or L/100km) based on distance and fuel consumption.
How to Calculate Gas Mileage
Fuel efficiency measures how far a vehicle can travel per unit of fuel. In different parts of the world, this is calculated using different units.
Fuel Efficiency Formulas
- US Miles Per Gallon (MPG): Measures the distance in miles divided by the fuel volume in US gallons:
MPG = Distance (miles) ÷ Fuel (gallons) - Liters per 100 Kilometers (L/100km): Measures the volume of fuel in liters used to travel 100 kilometers:
L/100km = (Fuel (liters) ÷ Distance (km)) × 100
Conversion Rule
To convert between MPG and L/100km, divide 235.215 by the value you want to convert.
For example, a car that gets 30 MPG consumes 235.215 / 30 = 7.84 L/100km.
Disclaimer: This calculator is for educational and learning purposes only. While we strive for accuracy, calculations are provided "as-is" without warranty. The accuracy of results depends on the accuracy of input data provided. Always verify important calculations independently. For critical applications or when accuracy is essential, consult with appropriate professionals or use verified reference sources. Educational calculators may contain rounding or approximations.