How much should I budget for a road trip?

Add vehicle energy, lodging, meals, tolls, parking, activities, and other daily costs, then include a contingency amount. Divide by travelers for a per-person target.

How do I estimate gas cost for a road trip?

Divide total miles by vehicle MPG and multiply the gallons by the expected price per gallon. Use a route-specific price and allow for lower real-world efficiency when the vehicle is heavily loaded.

Can this planner compare gas and EV trip costs?

Yes. The planner calculates both gas and EV energy costs from the same route and shows the difference without changing lodging, food, or other shared expenses.

Your free 2026 road trip budget planner

Plan the whole road trip, not just the gas.

Map the drive, compare gas and EV costs, add the fun stuff, and know what everyone should set aside before the wheels start rolling.

No signup Runs in your browser Updated July 15, 2026

A coral car following a lakeside mountain highway on a bright summer day

Build your plan

Trip details

4 days · 2 travelers · 3 hotel nights

Live estimate$0View budget

1 Route and group

Start Destination

Distance can also be entered manually.

One-way miles Travelers Trip days

Round tripDouble the route distance

2 Vehicle

Gas price, $/gal Vehicle MPG

Vehicle assumptions

Charging loss, % Efficiency adjustment, %

3 Stay and daily spending

Hotel nights Rooms Hotel per room/night Meals per person/day Activities per person Other costs per day

4 Road fees and buffer

Tolls / ferries Parking total Safety buffer, %

Pack for this total

$0 348 miles · 4 days · 2 travelers

Your route

Seattle to Portland

174 mi one way

Per traveler$0

Per day$0

Driving cost$0

Gas vs EV$0

Where it goes

Trip budget wheel

$0 before buffer

Future view

Cost forecast

+15%

Increase gas/charging, hotel and food prices

Line by line

Trip budget

Planning estimate only. Confirm current route, hotel, charging, toll, parking, reservation, and entrance fees before booking.

Current planning signals

Use fresh numbers, not last summer’s receipts.

These official reference points were checked July 15, 2026. They are context, not automatic inputs: local rates can differ sharply along one route.

Weekly U.S. fuel data

$3.855 U.S. average EIA's July 13 regular-gas data, released July 14, lists $4.849 for Washington. The Seattle route example starts at $4.85; replace it with your route price. Open EIA prices

National park fees

2026 rules changed NPS lists entrance, reservation, and 2026 nonresident fees. Several major parks add a $100 nonresident fee for travelers age 16+. Check park fees

Full vehicle-cost benchmark

76¢ per business mile The IRS revised its optional business mileage rate to 76 cents per mile for qualifying travel from July 1, 2026. It reflects more than fuel alone. Read IRS announcement

Planning method

A useful total has three layers.

Start with costs you can calculate, add costs you can quote, then protect the plan from uncertainty.

Calculate the drive

Gas cost is miles divided by adjusted MPG, multiplied by price per gallon. EV cost is miles multiplied by adjusted kWh per mile, charging loss, and charging price.

Quote the stay

Use the after-tax hotel price when possible. Count rooms, nights, travelers, meal days, paid activities, parking, tolls, ferries, and reservations separately.

Stress the estimate

Add a contingency buffer and move the price slider. If the high-cost result is uncomfortable, adjust nights, rooms, restaurant days, or paid activities before booking.

Before you book

The road-trip costs most plans miss.

Hotel taxes and resort feesUse the checkout total, not the search-card rate. Overnight parkingDowntown hotels may charge per night. Public fast chargingIt can cost more than home electricity. Park reservationsEntrance and timed-entry fees can be separate. Bridge, ferry and toll lanesPrice each direction and each vehicle. Pet, baggage or rental feesAdd route-specific extras before splitting the bill.

Focused calculators and guides

Go deeper on the part of the trip that matters.

Road Trip Cost GuideBuild a low, likely, and high budget before a long drive. 2026 Summer Budget GuideA seven-part plan using fresh fuel, lodging, meal, and fee checks. 2026 National Park CostsEntrance, nonresident, reservation, lodging, and route expenses. Gas Trip CalculatorEstimate gallons, fuel spend, and real-world MPG adjustments. EV Trip CalculatorEstimate charging energy, losses, and public charging cost. Gas vs EVCompare the same distance and route fees side by side. Gas and TollsAccount for paid roads, bridges, ferries, and parking. RV Fuel CostPlan for lower MPG, long distances, and generator fuel. Commute CostTurn a repeated drive into monthly and annual cost. Gas UsageConvert miles and MPG into gallons used.

Questions answered

Road trip budget FAQ

How much buffer should I add to a vacation budget?

A 10% to 15% buffer is a practical starting point for a trip with confirmed bookings. Use more when prices are not locked, weather may change the route, or the vehicle has uncertain efficiency under load.

Should I budget one-way or round-trip mileage?

Use round-trip mileage unless the return route is already included elsewhere. Add local driving at the destination too; a multi-day park or city visit can add meaningful mileage beyond the main route.

Why is my real gas cost higher than the calculator?

EPA-style MPG and dashboard averages may not match a loaded summer drive. Speed, elevation, heat, idling, roof cargo, tires, wind, and traffic can reduce efficiency. The planner includes an efficiency adjustment for this reason.

How should EV drivers estimate public charging?

Use the price expected at the chargers on the route, not only a home electricity rate. Add charging loss, and remember that high speed, weather, elevation, and cabin conditioning can change energy use.

Does the per-person result split every expense?

Yes. It divides the full group budget by the traveler count. That is useful for planning, but a fair bill split may treat shared vehicle and room costs differently from individual meals and activities.