Tool

Road trip fuel calculator

Distance, MPG, and a gas price in; gallons, fuel cost, tolls, and cost per passenger out. Plan the trip before you're in it.

Road Trip Fuel Calculator

Estimate the fuel needed for a specific trip before you leave.

Trip distance (miles)

Vehicle miles per gallon

Fuel price per gallon (USD)

Round trip (double the distance)

Toll estimate (optional)

Passengers (optional)

Results

Enter a distance, your vehicle's MPG, and a fuel price to estimate trip costs.

Formulas: gallons = total distance ÷ MPG (distance doubles for round trips); fuel cost = gallons × price; total cost adds your toll estimate; per-passenger splits the total. Estimates only.