Pay in Local Currency: The Card Machine Question That Costs Travellers Money

You tap your card in a Lisbon café or a Kraków pharmacy and the machine asks a simple question: pay in euros or złoty, or pay in pounds? Pounds feels safer. You know exactly what you are spending. That feeling is the whole trick, and it usually costs you money.

The option is called dynamic currency conversion, or DCC. It turns up on card machines, cash machines, hotel bills and even booking websites. Once you know how it works, the right answer takes one second.

What dynamic currency conversion actually is

When you pay in the local currency, your own card provider converts the amount using its scheme rate plus whatever foreign transaction fee your card charges. Plenty of travel cards charge nothing at all.

When you pick your home currency, the conversion is done at the till by the merchant's payment provider instead, using a rate they choose. That rate usually carries a markup, and it can be several per cent worse than your card's own conversion. Part of that margin is often shared with the shop or the ATM operator, which is why the question keeps getting asked.

The golden rule: always choose local

If the screen offers a choice, choose the local currency: euros in Spain, lei in Romania, dollars in New York. The same applies at cash machines abroad. If an ATM offers to "lock in" or "guarantee" a conversion rate, decline it and let your bank convert the withdrawal.

Some machines hide the choice behind friendly wording such as "Pay in GBP – no surprises" or show the home-currency button in green. Read both options before you press anything. The phrase "without conversion" normally means the good option.

When the choice is made for you

Sometimes a waiter hands you a machine that has already been set to pounds. You are entitled to ask for the payment to be run again in local currency, so do it before you enter your PIN or tap. If you only spot it on the receipt, look for a line mentioning the exchange rate or a conversion margin, and raise it with the merchant and then your card provider.

Hotels and car hire desks are repeat offenders because they often convert deposits and final bills automatically. Ask at check-in to be charged in local currency, and check the paperwork at check-out.

What about cash?

A good card with no foreign transaction fees, paid in local currency, is hard to beat for everyday spending. Cash still matters for markets, tips, taxis and places where card machines are unreliable, and that is where bureaux de change come in.

Rates on bureau boards vary a lot, even on the same street, so compare before you walk in. This is exactly what Money Maps is for: it shows bureau de change rates near you on one map. Rates are indicative and can change; always confirm at the counter.

A quick checklist for your next trip

Pay in local currency every time the machine asks. Decline "guaranteed" conversions at cash machines. Ask for payments to be re-run if a merchant picks your home currency for you. Check hotel and car hire bills for conversion lines. For cash, compare a few bureaux rather than changing everything at the first desk you see.

Money Maps is an iPhone app in the works that puts thousands of bureaux around the world on one map. Join the waitlist on moneymaps.net to get Money Maps first on iPhone.