Free road trip planner
Road Trip Cost Calculator — Gas, Tolls & Stops
Plan your road trip budget: fuel cost, tolls, food and lodging — plus how many gas stops you’ll need and drive time.
Plan Your Road Trip Budget
The full trip cost — not just gas.
How Much Does a Road Trip Cost?
Fuel is usually only half the story. A 600-mile round trip at 28 MPG costs ~$146 in gas — but add tolls, meals and a hotel night and the real total is $350–$450. Budgeting all four categories avoids the classic “we spent how much?!” surprise.
Drive vs Fly: The Break-Even Math
- Driving wins: under 500 miles with 2+ travelers — no airfare, no rental car, no baggage fees.
- Flying wins: solo travelers on 800+ mile trips, when flight deals beat ~$0.60/mile driving cost.
- The hidden factor: driving 8 hours costs a day; value your time honestly.
Save Money on the Road
- Use GasBuddy to find cheap stations along the route — prices swing $0.50+/gal.
- Pack a cooler: roadside food is the #1 budget killer.
- Check toll costs in advance — some routes charge $30+ each way.
- Cruise at 65, not 80: the fuel savings are 15–20%.
Frequently Asked Questions
How do I calculate road trip gas cost?
Total miles ÷ MPG × gas price. 1,200 miles ÷ 28 MPG × $3.40 = $146. Add tolls, food and lodging for the full budget.
How many gas stops will I need?
Total miles ÷ (tank gallons × MPG). A 14-gal tank at 28 MPG = 392 miles per tank — a 1,200-mile trip needs ~3 stops.
Is it cheaper to drive or fly?
Driving usually wins under 500 miles with 2+ people. Compare (miles × $0.60) against total flight + rental + parking costs.
How much should I budget for food on a road trip?
$40–$80/person/day eating a mix of packed food and restaurants. A cooler with drinks and snacks cuts this dramatically.
Do tolls really add up that much?
Yes — Northeast corridor and Chicago-area routes can hit $30–$60 each way. Check toll calculators for your exact route before you go.
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