On a trip, money moves fast. One friend books the apartment, another fills the tank, a third pays for the boat — often in a currency nobody thinks in. By the last day, nobody is sure who owes whom. Here's a simple system: agree on a few things before you leave, write down every shared payment as it happens, and settle once you're home.
1. Agree on three things before you go
- What's shared. Usually the accommodation, the car, fuel and tolls, groceries and meals you eat together. Souvenirs, personal shopping and the extra cocktail stay personal.
- One currency for the records. Use the local one — it's what the receipts say.
- When you settle. Within a week of getting home is a good rule, while everyone still remembers the trip fondly.
2. Fair doesn't always mean equal
An equal split is the easiest, and it works when everyone is in the same position. Often they aren't:
- Families of different sizes. A family of four and a couple rent a villa together for €900. Split by the number of people, that's 2/3 and 1/3 — €600 and €300. One person from each family pays and settles for the family.
- Different incomes. Friends or relatives who earn very differently sometimes agree that the bigger earner covers a bigger share — say 60/40 — so the trip is equally comfortable for everyone.
- Not everyone joins everything. On a trip, plans change by the hour — and that's fine: whoever skips the restaurant, the tour or the wine doesn't pay for it. Just record that expense for the people who were there. Someone joining halfway works the same way: they share only what happens after they arrive.
The bigger rules — by family size or by income — are worth agreeing before the first payment. Write them down — one message in the group chat is enough — and apply them the same way to everything they cover.
3. Too many expenses to keep track of?
On a busy trip it's easy to lose the thread: coffees, tickets, a taxi, another taxi. A few habits keep it manageable:
- Record only what's shared here. Your personal spending goes in your own private group instead — the shared list stays about half as long, and you still see what the trip cost you.
- One person can keep the record. Not everyone has to write down their own payments: one person can enter everything, including what the others paid, and the rest just check it.
- Split the bill on the spot when everyone offers. When everyone pays their own part at the table, there's nothing to record. Write down what one person paid for others.
- A receipt makes it easier, but you don't need one. Keep the receipt or photograph it right away — you can add it to the app later. Lost it? No problem: type it in from memory — a close amount beats no record at all.
- Right away — or at least that evening. The best time to record an expense is right after you pay. Busy? Spend two minutes in the evening: each member, or whoever keeps the record, adds who paid for what. It's far easier than sitting with your friends after the trip, trying to remember who paid for what.
- Default to "everyone shares". Mark only the exceptions — the dinner someone skipped, the tour not everyone went on.
4. A worked example
Maya, Ben and Noa spend three nights in Lisbon, recording everything in euros. Each person owes each payer their share — €200 each for the apartment, €50 each for the car, €45 each for the surf lesson — and each pair cancels out what they owe each other:
Ben owes Maya 200 for the apartment and she owes him 50 for the car, so he pays her €150. Every number traces back to a real expense — nothing beats keeping things in order.
5. Settle up — in any currency
Back home, Ben pays Maya in dollars. Use the day's exchange rate: if €1 is $1.10, his €150 is $165. Agree on the rate before the money moves, and write down both amounts — what was paid and what it counted for.
The €5 Noa owes Ben isn't worth a transfer. If they share something at home — an apartment, a regular dinner fund — carry it over there. Or call it even, as long as you both say so.
6. Travelling with colleagues?
A work trip or a shared project is usually different: the employer often pays the expenses back, so every one needs to be recorded. Keep them in their own group, separate from any personal trip. You can also turn on approval mode: then everyone in an expense approves their own share, or rejects it and says why — “my part is 200”, for example. Whoever added the expense fixes the split, and it goes back to the people whose share changed. At the end you'll need one report listing every expense — keep the receipts with it.
How to do this in FinancesHub
- Create a One-time Bills group for the trip and choose its currency — euros, in the example. Invite your friends with a link or a 6-digit code. Your own spending can go in a separate group that only you are in — a personal budget nobody else sees.
- Noa doesn't use the app? Add her as a virtual member: you can record what she paid and her share like anyone else's, and if she joins later, her history moves to her own account. The same way, one person can keep the whole trip: add the others as virtual members and record as you go who paid what.
- Add each payment as it happens. Everyone is ticked by default — untick whoever wasn't there (Maya, for the surf lesson), and Equal splits it among the rest. Use Custom % for uneven shares, like 66.67 / 33.33 for the two families. Ticked the wrong person? Edit the expense and tick or untick them there — every edit is announced, so the others get an alert saying what changed. Attach a photo of the receipt; on iPhone and Android, Scan with AI fills in the details from the photo, even later from your gallery (part of Premium, free to try for 30 days).
- The app keeps everyone's balance and shows each of you whom to pay. Settle with Give Money. Paying back in another currency? Use Record Transfer and pick it under Paid in — the app fills in today's rate, which you can change, and counts the payment in euros.
- When the trip is over, Complete Group closes it. Anything still owed — like Noa's €5 — can go into another group you share with Transfer & Close, converted into that group's currency at the day's rate.
- For colleagues, you can turn on Require approval when you create the group — then each person in an expense confirms their share. It's set once and can't be switched off later, so the rule holds for the whole trip. Generate Report exports all the expenses as a PDF.
It's free to start, on iPhone, Android and the web.