Trip Fuel Budget Calculator
Estimate total fuel cost for a road trip.
Enter your values
ⓘ Live results
Results
- Total fuel cost
- $78.61
- Fuel needed
- 22.14 gal
- Cost per 100 miles
- $12.68
- Round trip cost
- $157.21
Quick answer
Trip fuel cost is total distance divided by fuel economy, multiplied by the price per gallon or litre.
cost = (distance / mpg) x price per gallon
How to use the Trip Fuel Budget Calculator
- 1Enter the one-way trip distance.
- 2Enter your vehicle's fuel economy in MPG.
- 3Enter the local fuel price to get the total budget, plus a round-trip estimate.
Worked example
Using the values the calculator loads with:
Inputs
- Trip distance620 miles
- Fuel economy28 MPG
- Fuel price3.55 $/gal
Results
- Total fuel cost$78.61
- Fuel needed22.14 gal
- Cost per 100 miles$12.68
- Round trip cost$157.21
Frequently asked questions
Should I use city or highway MPG?
Use a blended figure close to your real driving mix, or your dashboard's average MPG reading.
Does this include tolls?
No — add toll costs separately using a toll calculator alongside this fuel estimate.
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.