📅

Fuel Cost Calculator - Trip Gas Cost

Free fuel cost calculator. Calculate how much gas you need and the total cost for your trip based on distance, MPG, and gas price.

Fuel Cost Calculator

Calculate trip fuel cost

Enter the total trip distance in miles.

Enter your vehicle's miles per gallon.

Enter current gas price per gallon.

Results

Enter your values to see results

and click the "Calculate" button

Trip Fuel Cost Calculator

Calculate how much gas you'll need and the total cost for your road trip. Enter your trip distance, vehicle's MPG, and current gas price.

Fuel Cost Formula

Fuel Needed = Distance / MPG | Cost = Fuel Needed × Price

Example: 300 miles at 30 MPG with $3.50/gallon = 10 gallons = $35

Frequently Asked Questions

How do I find my car's MPG?
Check your owner's manual, the sticker inside the driver's door, or fueleconomy.gov. For actual MPG, divide miles driven by gallons used.
Should I use city or highway MPG?
For highway trips, use highway MPG. For city driving, use city MPG. For mixed driving, use combined MPG or average the two.

Explore more calculators

100+ calculators for finance, health, math, and everyday life

All Calculators