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Free Road Trip Fuel Cost & Gas Mileage Calculator Online

Calculate road trip fuel expense, gallons/liters required, number of gas station stops, and split travel costs per passenger. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Tip Total$21.60
Total Bill + Tip$141.60
Each Person Pays$47.20

How It Works

1

Enter Total Distance

Input trip miles or kilometers (one-way or round-trip).

2

Enter Vehicle Fuel Economy

Input average highway MPG or L/100km.

3

Enter Gas Price

Input cost per gallon or liter.

4

Split Among Passengers

Divide gas bill evenly among travel companions.

Frequently Asked Questions

Total Cost = (Distance in Miles / Vehicle MPG) × Cost Per Gallon. For a 600-mile trip at 30 MPG with $3.50/gal gas: (600 / 30) × $3.50 = $70.

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