Fuel Cost Calculator
Calculate fuel expenses for custom road trip travel distances. Fast, free, and fully client-side.
Calculator Inputs
Trip Distance (miles)
Fuel Economy (MPG)
Fuel Price (per gallon)
Fuel Needed (gallons)—
Total Fuel Cost—
How the Fuel Cost Calculator Works
Calculates total fuel costs, required gasoline volume, and cost per passenger for road trips, commutes, or commercial routes based on distance, vehicle fuel efficiency, and current fuel prices.
Formula
Total Cost = (Distance / MPG) × Fuel Price Per Gallon
In metric: Total Cost = (Distance / 100) × (L/100km) × Price Per Liter.
Calculation Example
A 300-mile road trip in a vehicle achieving 25 MPG with gas at $3.50 per gallon requires 12 gallons of fuel, costing $42.00 total.
Frequently Asked Questions
How can you split gas costs with passengers?
Divide the total trip fuel cost evenly by the number of passengers sharing the ride.
How does highway driving affect fuel economy?
Vehicles generally achieve 15%-25% better fuel efficiency at steady highway speeds compared to stop-and-go city driving.