Calculate the total fuel cost for a trip based on distance, your vehicle mileage, and current fuel price.
This tool estimates the total fuel cost for a trip based on the distance you plan to travel, your vehicle's fuel efficiency, and the current price of fuel. It's useful for budgeting road trips, comparing the cost of driving versus other transport options, or estimating commuting expenses.
Fuel Cost = (Distance ÷ Fuel Efficiency) × Price per Unit of Fuel. For example, in the US: Cost = (Miles ÷ MPG) × Price per Gallon. In metric regions: Cost = (Distance in km ÷ 100 × L/100km) × Price per Liter.
Enter your trip distance, your vehicle's fuel efficiency (MPG or L/100km), and the current fuel price, and the calculator returns your estimated total fuel cost.
Example: A 300-mile trip in a car that gets 30 MPG, with fuel priced at $3.50/gallon, costs (300 ÷ 30) × 3.50 = $35.
How can I find my vehicle's actual fuel efficiency? Track miles driven and gallons used over a few fill-ups and divide distance by fuel used — this real-world number is often more accurate than manufacturer estimates.
Does this estimate include tolls or other trip costs? No, this calculates fuel cost only; tolls, parking, and other travel expenses need to be added separately for a full trip budget.
Does driving style affect actual fuel cost? Yes, aggressive acceleration, high speeds, and excessive idling can noticeably increase real-world fuel consumption compared to the estimate.
Should I compare fuel cost against public transport or flying? Yes, this calculator is often used alongside other travel cost estimates to help decide the most economical way to make a trip, especially for longer distances.
How often do fuel prices change? Fuel prices fluctuate regularly based on crude oil prices, taxes, and regional supply, so it's worth checking current local prices before finalizing a budget.