Road Trip Cost Calculator
Fuel, tolls and time for a driving trip.
Enter your values
ⓘ Live results
Results
- Total cost
- $178.69
- Fuel cost
- $133.69
- Fuel used
- 38.8 gallons
- Cost per person
- $59.56
- Driving time
- 20h 0m
- Cost per mile
- $0.14
Working
- 1Fuel = (1,240 ÷ 32) × $3.45 = $133.69
Quick answer
Fuel cost equals distance divided by fuel economy, multiplied by the price per gallon or litre.
Fuel cost = (distance ÷ mpg) × price
How to use the Road Trip Cost Calculator
- 1Enter the one-way distance and pick one-way or round trip.
- 2Enter your car's fuel economy and local fuel price.
- 3Add tolls and the number of people sharing.
Worked example
Using the values the calculator loads with:
Inputs
- One-way distance620 miles
- Trip typeRound trip
- Fuel economy32 mpg
- Fuel price3.45 $/gal
- Average speed62 mph
- Tolls and parking45 $
- People sharing costs3
Results
- Total cost$178.69
- Fuel cost$133.69
- Fuel used38.8 gallons
- Cost per person$59.56
- Driving time20h 0m
- Cost per mile$0.14
- Fuel = (1,240 ÷ 32) × $3.45 = $133.69
Frequently asked questions
Does speed change fuel cost?
Yes. Most cars lose 10–15% efficiency going from 65 to 80 mph, and drag rises with the square of speed.
Should I include depreciation?
For a true cost, add about 10–20 cents per mile for wear, tyres and maintenance.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.