September 9, 2026 · 6 min read

Destination Bachelorette: Currency, Cards, and Costs

How to keep a two-currency bachelorette budget honest: one ledger currency, statement amounts, card and cash fees, and a worked example that adds up.

TL;DR

Pick one currency for the ledger before the first booking, and convert each cost once, using the number your bank statement actually shows rather than a converter app. Keep the local-currency amount on the receipt for reference, not for the math. Budget for the fees nobody quotes you: the card's foreign transaction charge, ATM withdrawals, and the machines that offer to bill you in dollars. The worked example below runs a three-night trip in two currencies and lands at $320 per guest for the shared costs.

Choose the ledger currency first

A destination bachelorette has two kinds of money in it. There is the money you spend at home, on the house deposit and the flights and the matching robes, and there is the money you spend once you land, in pesos or euros or koruna. If you let both live in the group chat at once, the totals stop meaning anything within about a day.

So choose one currency and put every line of the budget into it. In practice that is the currency most of the group gets paid in, because that is the currency they will pay each other back in. If the group is split across countries, choose the currency of whoever is fronting the largest costs, and say so out loud in the first message about money.

Everything else, the pesos on the dinner receipt, the euros on the boat quote, is a reference number. It belongs in the note field, not in the total.

Convert once, using the statement

The single most common source of destination-trip drift is converting the same cost twice at two different rates. Someone checks a converter on Friday, someone else checks it on Sunday, and now the same dinner is two slightly different numbers in two people's heads.

Fix it with one rule: the amount that goes in the ledger is the amount your card statement charges you. Not the menu price, not the converter app, not the rate you saw at the airport. Your bank already did the conversion and it already applied its own rate and fees, so its number is the only one that will ever need to be reconciled against a real balance.

For cash, convert at the rate on your withdrawal receipt and treat that as fixed for the whole trip. If you took out enough on day one, you only ever have to do this once.

Decline the dollar

When a card terminal or an ATM asks whether you would like to be charged in your home currency instead of the local one, say no. That option is dynamic currency conversion: the merchant's payment processor picks the exchange rate rather than your bank, and it is picking it in its own favour. Always choose the local currency and let your own bank convert.

The fees that are not on any quote

Three of these show up on almost every destination weekend, and none of them appear in the price anyone sends to the group chat.

Foreign transaction fees. Many cards add a percentage on every purchase abroad. Check yours before the trip, and if one person in the group has a card without the fee, that is the card that should be paying for the big shared items.
ATM and withdrawal fees. Usually a flat charge from your bank plus a flat charge from the machine. That makes one large withdrawal much cheaper than five small ones, and it makes the airport machine the worst option available.
Cash-only extras. Tips, taxis, market stalls, the beach chairs, the cover charge at the door. These are small, they are constant, and they are the reason a group that budgeted zero cash ends the weekend arguing about who fronted what.

Handle the last one by naming a single cash float. One person carries the group cash, spends from it, and logs it as one shared cost at the end. Everyone else stops keeping mental notes about who paid the taxi.

A worked example

Three nights abroad, six guests plus the bride, ledger currency US dollars. The apartment was booked at home in dollars; everything on the ground was paid in local currency. Suppose the rate that appeared on the statements was 17.5 local units to the dollar. Shared costs are split six ways, because the guests cover the bride. The cooking class is opt-in and five people signed up, the bride among them.

Cost	Local	USD	Per guest
Flat, 3 nights	—	$1,260.00	$210.00
Dinner for 7	8,400.00	$480.00	$80.00
Vans, both ways	3,150.00	$180.00	$30.00
Shared total		$1,920.00	$320.00
Class, opt-in	6,125.00	$350.00	$87.50

The shared rows are the easy part: $1,920.00 across six guests is exactly $320.00 each. The cooking class is where destination trips usually go wrong. It is 1,225.00 local per seat, which is $70.00, and five people are going. One of them is the bride, so the bill is five seats, 6,125.00 local or $350.00, divided among the four guests who signed up. That is $87.50 each, not $70.00. A guest who does everything owes $407.50; a guest who skips the class owes $320.00.

If the card used for the dinner charges a 3% foreign transaction fee, that dinner really cost $494.40, which is $82.40 per guest instead of $80.00. Small, but it is the kind of small that turns into a rounding argument on the last night. Add the fee as its own line and it stops being a mystery.

Deposits when nothing is refundable

Destination bookings ask for money earlier and give it back less often than a weekend two hours from home. That is an argument for collecting a deposit, not against it. Ask for a fixed amount per guest at the moment the flights get booked, make it large enough to cover the non-refundable portion of the lodging, and say plainly what happens if someone drops out after that date.

The practical version: deposits are not refundable once the money has left for the booking, but a guest who drops out can be replaced, and if she is replaced her deposit comes back. That is a rule people can live with because it is the truth about how the booking works. Collecting money from friends for a group trip goes through the wording.

Before you fly

Tell your bank you are travelling, or expect the first tap to be declined.
Confirm which card in the group has no foreign transaction fee, and use it for the big items.
Agree the cash float and who carries it.
Screenshot the confirmed bookings, including the cancellation dates, into one place.
Write the ledger currency at the top of the budget so nobody has to ask.

Keeping the running totals somewhere shared is the part that survives a weekend of bad signal. In The Bachledger demo party you can see the shape of it: each event carries its own cost and RSVP, opt-in events only bill the people who said yes, receipts get scanned instead of retyped, and settling up nets everything down to one payment per person. The FAQ covers what happens when a guest pays in a different currency than the ledger.