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Gas Mileage Calculator

Calculate fuel economy from the distance you drove and the fuel used.

How it works Report a problem

Gas Mileage

Measure fuel efficiency (MPG / Metric)

About the Gas Mileage Calculator

Calculate fuel economy from the distance you drove and the fuel used.

How to use the Gas Mileage Calculator

  1. Enter the Distance Traveled (KM or Miles) and the Fuel Used (Liters or Gallons).
  2. Press Calculate Mileage.

Formula and method

Mileage = distance ÷ fuel used

Worked example

300 miles on 10 gallons is 30 mpg.

Tips

  • Reset the trip meter at each fill-up for accurate figures.

Frequently asked questions

What is a good mpg?
Around 30 mpg or more is good for a petrol car.