travel · free Companion App · local in this browser
Road Trip Gas Cost Estimator
Estimate total gas cost from total trip miles, your car's MPG, and gas price.
Privacy: This App does not send or save your entries. Do not enter passwords, codes, full account numbers, or private identifiers.
Enter your numbers
Enter only the details needed for this task. Check them against the original source.
Your result
Your result will appear here.
Engine self-test
Running golden cases…
Source notes
- U.S. Department of Energy and U.S. Environmental Protection Agency, FuelEconomy.gov — Find a Car
Official highway and combined MPG figures are published for all new and used vehicles.
Reviewed 2026-10-10. Real-world MPG varies with load, speed, and terrain. Budget with your own highway average.
What this App does not do
This estimates fuel cost only. It does not include tolls, maintenance, lodging, or food.
This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.