Certified tool

Trip Cost Calculator

Build a trip budget from user-entered flights, lodging, food, transport, and extras.

Flights / long-distance transportLodgingFoodLocal transportActivitiesOtherTravelersTrip daysBuffer percent0–100Illustrative destination FX rateDestination units per 1 home unit. Default 1.00 is illustrative, not a live rate.

User-entered budget

$1,100.00

Subtotal $1,000.00 plus buffer $100.00.

Per person: $550.00 / $550.00. Per day: $220.00 / $220.00 / $220.00 / $220.00 / $220.00.

Illustrative destination total at 1: 1100.00 destination units.

Assumptions

Every category is a user-entered amount in integer cents.
Buffer is round(subtotal × percent / 100) in cents.
Per-person and per-day shares use largest-remainder allocation so they sum to the total.
The FX field is an illustrative user rate, not a live exchange quote.
This is not a live airfare, hotel, or destination price index.