Gas & Road Trip Split Calculator
The driver's putting miles on their car, burning their gas, and dealing with traffic — they shouldn't pay the same as the passenger asleep in the back seat. This calculator figures the exact fuel cost from distance and MPG, adds tolls and parking, and offers a driver premium that reduces the driver's share to account for vehicle wear, insurance, and depreciation.
To split gas costs for a road trip, divide the total distance by your car's MPG, multiply by the gas price, then divide by the number of passengers. For a 300-mile trip at 25 MPG with $3.50 gas and 4 people: 12 gallons × $3.50 = $42 ÷ 4 = $10.50 each. Add tolls and parking below.
Trip Details
Additional Costs
Passengers
How This Calculator Works
Enter Your Details
Fill in amounts, people, and preferences. Takes under 30 seconds.
Get Fair Results
See an instant breakdown with data-driven calculations and Fairness Scores.
Share & Settle
Copy a shareable link to discuss results with everyone involved.
Frequently Asked Questions
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