Automotive · free · no sign-up
Mileage Calculator
Estimate the fuel needed and cost of a trip from distance and miles per gallon.
About the Mileage Calculator
Estimate the fuel needed and cost of a trip from distance and miles per gallon.
How to use the Mileage Calculator
- Enter the Distance (miles), Fuel Efficiency (MPG) and Price per Gallon ($).
- Press Calculate Trip Cost.
Formula and method
Gallons = distance ÷ mpg. Cost = gallons × price per gallon.
Worked example
250 miles at 30 mpg uses 8.33 gallons and costs $29.17 at $3.50 a gallon.
Tips
- Highway mpg is usually higher than city mpg.
Frequently asked questions
How can I improve my mpg?
Keep speeds steady, avoid hard braking and keep tyres properly inflated.