How to Use the Road Trip Cost & Time Calculator
Before hitting the road, knowing your total cost — fuel plus tolls — and your realistic arrival time (including rest stops) makes planning your trip so much easier. Just enter your driving distance, vehicle type, and number of planned rest stops, and this calculator estimates fuel cost, toll cost, and total time in one shot.
Fuel efficiency varies a lot by vehicle, so the same distance can cost very differently depending on what you drive. A compact car around 35 mpg sips fuel efficiently, while a gas SUV around 22 mpg burns through it much faster. EVs have a low per-mile energy cost, but charging time and station availability aren't factored in here — treat the EV fuel cost as a reference for electricity cost alone.
Travel time is calculated using an average highway speed of 65 mph, plus rest stop time at 20 minutes per stop, to get a realistic estimate of total time on the road. Actual travel time can vary with traffic, weather, and road conditions, so it's smart to build in some buffer. Toll costs use an illustrative average of $0.12 per mile for US toll roads — actual tolls depend heavily on the specific route and state.
Frequently Asked Questions
Each rest stop is calculated at 20 minutes on average. For drives over 3-4 hours, it's recommended to take at least one break every 2 hours to avoid drowsy driving, and the total time updates automatically with each added stop.
This calculator uses an illustrative average of about $0.12 per mile for US toll roads. Actual tolls vary widely by state, specific route, and whether you use an electronic pass discount.