Categories every budget needs
Fuel, lodging, food, tolls, parking, attractions, gear/rentals, and a 15% buffer for the unexpected.
Sample 5-day budget for 2 adults
1,500 miles in a 30 MPG sedan: fuel $173, lodging $560 (4 nights × $140), food $350, tolls/parking $80, attractions $150, buffer $200 → ~$1,500 total.
Tools to use
Trip Cost Calculator for fuel, Gas Cost Split for groups, and the Fuel Cost Calculator for individual driving days.