How to budget for a trip: categories, a worked example and a buffer

This article is general information, not financial, tax or legal advice. Rules and rates differ by country and change over time; the figures here illustrate the mechanics. For decisions involving real money or legal obligations, check the current official rules or consult a professional.

To budget for a trip, estimate six things separately: getting there, accommodation, food and drink, local transport, activities, and fixed extras such as insurance and visas. Multiply each by the right count (per person, per night or per day), add them up, and add a contingency of about 10 to 15%. The result is a total you can save towards and compare between destinations. The travel budget calculator does the multiplication and shows which category takes the biggest share. It is general information, not financial advice.

The six categories

  • Getting there: flights, trains or fuel, usually priced per person. For a road trip, the fuel cost calculator turns distance and consumption into a figure.
  • Accommodation: priced per room per night.
  • Food and drink: an amount per person per day, covering everything from breakfast to the evening drink.
  • Local transport: taxis, public transport, car hire or parking, estimated per day for the group.
  • Activities: tickets, tours and entry fees, for the whole trip per person.
  • Fixed extras: travel insurance, visas, vaccinations, airport transfers, luggage fees.

Separating categories matters because they scale differently. Doubling the number of travellers doubles flights and food but may not change the room cost at all.

Nights, days and people

The most common budgeting mistake is counting days for accommodation. A 7-day trip has 6 nights, and you pay for nights. Food and local transport, on the other hand, run for every day you are there, including travel days. Rooms are another trap: two people sharing a room pay one nightly rate, while four friends may need two rooms. The calculator takes days, travellers and rooms separately and works out the nights for you.

A worked example

Two people, one room, seven days, using the calculator's starting figures:

  • Flights: 350 per person ร— 2 = 700.
  • Accommodation: 120 per night ร— 6 nights = 720.
  • Food: 40 per person per day ร— 2 ร— 7 = 560.
  • Local transport: 15 per day ร— 7 = 105.
  • Activities: 100 per person ร— 2 = 200.
  • Insurance and other extras: 80.

That is 2,365 before contingency. A 10% buffer adds 236.50, for a total of about 2,602: roughly 1,301 per person and 372 per day. Accommodation and flights are the biggest lines here, which is typical, and they are also the ones fixed at booking, so they are where comparing options pays most.

Add a contingency

Prices move between planning and travelling, and trips produce surprises: a taxi when the last train has gone, a forgotten charger, a tourist tax charged at check-out, an extra night after a cancelled flight. A buffer of 10 to 15% of the subtotal covers most of them. If the destination is unfamiliar or prices are hard to research, lean towards the higher end. Money left in the buffer at the end goes back into savings.

Currency and card fees

The calculator works in a single currency and does not convert or look up prices, so enter everything in your home currency using a current exchange rate, or everything in the local currency. Watch two costs that do not show up in price research. Some cards add a foreign transaction fee to every purchase abroad, often a few percent, and some cash machines charge their own fees. And when a card terminal or cash machine offers to charge you in your home currency, a practice called dynamic currency conversion, the exchange rate is usually worse than if you pay in the local currency. Tipping customs differ by country too; the tip calculator and How to calculate a tip without a calculator help with the sums.

Staying on budget while away

Turn the trip total into a daily spending figure for the variable categories (food, local transport and small purchases) and check it every evening. Paying fixed costs such as accommodation and tours before you leave keeps them out of the daily figure. For group trips, decide in advance whether you split everything equally or track who paid what; a shared log settles it without awkward conversations at the end. Before you go, the packing list helps you avoid buying forgotten essentials at airport prices, and the savings goal calculator turns the total into a monthly amount to set aside.

Sources and further reading

The claims in this guide rest on these references, which were checked when the guide was last updated. Spotted an error? The contact page says how to report it.

  1. Dynamic currency conversion โ€” Wikipedia
  2. Travel insurance โ€” Wikipedia
  3. Foreign travel advice โ€” GOV.UK

Try the tool

Frequently asked questions

How do I calculate a travel budget?

Estimate getting there, accommodation, food, local transport, activities and extras separately, add them up and add a 10 to 15% contingency.

How many nights is a 7-day trip?

Six. Accommodation is paid per night, while food and local transport run for all seven days.

How much contingency should I add to a trip budget?

About 10 to 15% of the subtotal covers most price changes and surprises, more for unfamiliar destinations.

Should I pay in my home currency abroad?

Usually not. Dynamic currency conversion tends to use a worse exchange rate than paying in the local currency.