b2KIT

Travel Budget Planner

Plan trip expenses for flights, hotels, food, activities, and transportation with daily breakdowns.

Tested tool guide Tested browser tools Checked August 16, 2026

What Travel Budget Planner does, with a checked example

Enter what each part of the trip will cost - flights, hotels, food, activities, transportation - and mark each item as happening once or every day. The tool multiplies daily items by the trip length, totals each category, and lays the spending out day by day, so you get both a grand total and a sense of what each day costs. The thing people get wrong: it does not know what anything actually costs. It is arithmetic, not a price database. A figure like "hotel, $140 per night" is a guess you supply, and the total is only as good as that guess.

Worked example

A concrete input and expected output from the current implementation.

Input

7-day trip. Flight: $320 once. Hotel: $120 per night. Food: $45 per day. Activities: $30 per day. Local transport: $18 per day. Airport taxi: $35 once.

Expected output

Grand total: $1,846. By category: flights $320, hotel $840, food $315, activities $210, transportation $161 (local transport $126 plus taxi $35). Per-day recurring costs: $213 (hotel $120 + food $45 + activities $30 + local transport $18). One-time costs: $355 (flight $320 + taxi $35). About $264 per day on average.

Each per-day item is multiplied by the 7-day trip: hotel $120 x 7 = $840, food $45 x 7 = $315, and so on, while the flight and taxi are added once. The category subtotals, the per-day recurring figure, and the one-time figure all reconcile to $1,846, so the only inputs that move the total are the amounts, the frequencies, and the day count.

How the result is produced

1

Items, amounts, and frequency

Each expense is entered as an item with a category - flights, hotels, food, activities, or transportation - an amount, and a frequency: once per trip or per day. Per-day items are multiplied by the trip length, per-trip items are added once, and the tool sums each category and the whole trip. Every number in the result is one you typed; nothing is looked up or estimated.

2

Daily breakdown

The trip is also shown day by day, so you can see when the money goes out: recurring items land on every day, one-time items on the day you spend them. A useful sanity check is that the daily rows and the category subtotals sum to the same grand total; when they disagree, an item was entered with the wrong frequency, or the day count does not match the actual trip.

Good uses

  • Before booking a week somewhere new, enter the hotel and flight quotes you gathered from current searches and check the total against what you can actually spend.
  • Plan a group or family trip in one pass: enter the shared hotel, car, and meal estimates once, and get a single number to agree on and split, instead of everyone keeping their own list.
  • For an extended stay or work trip, use the per-day view to keep hotel, food, and transport under the daily allowance you will be reimbursed.

Limits and checks

  • The total is only as accurate as the numbers you type. A hotel rate quoted last year will pass through unchanged and make the plan look cheaper than reality; re-check prices before relying on the result.
  • Decide per person versus per group before entering anything. If the hotel is per room but the food is per person, the grand total mixes units and cannot be interpreted. Put everything on one basis first.
  • Day count is not night count. A trip from Saturday to Wednesday is 5 days but usually 4 hotel nights; entering 5 nights adds a phantom day. The per-day average also hides the shape of spending, because it blends one-time costs like the flight into every day.

Common questions

Does it know what a flight to Tokyo actually costs?

No. The tool adds up what you enter; it has no price database for flights, hotels, or anything else. Feed it figures you checked on booking sites or against official per-diem rates, and treat the result as a plan rather than a quote. If your inputs are guesses, the total is a guess too.

I entered everything, but the total seems too low. What did I miss?

Usually a one-time item that has no obvious daily slot: baggage fees, travel insurance, visa costs, airport transfers, tips, souvenirs. Because they happen once, they are easy to omit. Scan the category list; if nothing covers fees and insurance, add them as one-time items and the total will jump accordingly.

References and verification

The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

Related Tools