Gas Mileage Calculator
Calculate fuel efficiency from distance and fuel consumed
Distance from your trip odometer
Amount of fuel used since last fill-up
Enter distance and fuel values to calculate mileage.
This calculator provides estimates only. Actual gas mileage depends on driving style, vehicle condition, road conditions, and other factors.
Guide & Information
How to use this calculator
How to use
To calculate your gas mileage, follow these steps:
- Fill up your tank — completely fill your gas tank and reset the trip odometer
- Drive as you normally would — use your vehicle until you need to fill up again
- Fill up again — note the fuel amount and distance traveled from the trip odometer
- Enter the data — input the distance traveled and fuel consumed
- Click Calculate Mileage — get your vehicle's gas mileage
Pro Tips:
- Repeat this process several times and average the results for better accuracy
- Try to fill up at the same gas station for consistency
- Note that highway driving typically gives better mileage than city driving