When an ATM eats your budget: why travelers abroad often pay more because of the wrong currency on the screen
Paying by card and withdrawing cash abroad has become a routine part of travel for many people, but it is precisely in that routine that one of the most expensive financial mistakes often hides. On the screen of an ATM, POS terminal, or online checkout, a seemingly simple question appears: pay in the local currency or in the card currency. Many users, wanting to immediately see a familiar amount, choose the currency of their own account. But that decision can mean that they give up the exchange rate of their bank or card company and accept the rate set by the merchant, ATM, card acquirer, or currency conversion service provider.
This is a service known as DCC, or
Dynamic Currency Conversion. Visa describes it as a situation in which a cardholder, when paying or withdrawing cash in a foreign country, is offered the option for the transaction to be charged in his or her home currency, where such an offer may include a different exchange rate and additional fees. Mastercard, in its rules, describes DCC as a service offered by card acquirers, merchants, or ATM owners, which allows the user to choose between the local currency and the currency in which the card was issued. The problem for the consumer is not that the choice exists, but that the most familiar and psychologically most comfortable option is often not the most favorable.
Why the “pay in your own currency” option sounds useful, but is often more expensive
At first glance, DCC looks like additional protection for the traveler. Instead of seeing an amount in a foreign currency on the receipt, the user immediately sees how much, for example, will be charged in euros, dollars, or another currency of his or her account. Such a display creates an impression of transparency: there is no waiting for posting, no later recalculation, and no uncertainty about the final amount. However, it is precisely this feeling of control that is the reason why many people accept the offer without comparing it with the alternative.
When paying in the local currency, the conversion is usually carried out by the card issuer, that is, the bank or card scheme according to the card terms. With DCC, the conversion is performed immediately on the side of the merchant, ATM, or their service provider. This means that the user accepts an exchange rate and possible margin that are not necessarily the same as those that his or her bank would apply. European rules therefore require that conversion costs in certain cases be displayed as a percentage margin in relation to the European Central Bank reference rate, precisely so that the consumer can make a comparison.
It is important to distinguish between two things that are often confused: DCC is not the same as the usual bank fee for paying or withdrawing cash abroad. The card-issuing bank may charge its own fee for a foreign-currency transaction, and the ATM may also charge a separate fee for using the device. DCC is an additional layer of decision-making: whether the user accepts that the currency be converted immediately at the offered rate or rejects that conversion and pays in the local currency.
Where money is most easily lost: ATMs, restaurants, shops, and online purchases
DCC most often appears in situations in which the user is under time pressure. At the ATM, a queue is waiting behind him; in a restaurant, the waiter hands over the terminal; in a shop, the cashier expects confirmation; and during an online purchase, the user wants to finish the payment as quickly as possible. That is exactly why the messages on the screen are very important. If the user is offered “guaranteed rate”, “pay in your currency”, “accept conversion”, or similar wording, it is important to understand that this is not a mandatory step, but a choice.
The riskiest are ATMs that, in addition to DCC, may also have their own cash withdrawal fee. The user may then pay a fee for using the ATM, accept a less favorable exchange rate through DCC, and then also see a fee from the card-issuing bank on his or her account, depending on the card terms. One transaction can therefore contain several costs that are not perceived as one large commission, but as a series of smaller items. For a travel budget, this is especially unpleasant because the difference is often seen only after returning home, when the transactions have already been processed.
When paying by card in restaurants, hotels, and shops, the risk is different, but the pattern is similar. The terminal may offer two currencies, and the user often automatically chooses the familiar one. In some cases, the merchant or staff may suggest one option, but the decision should remain with the cardholder. European regulation emphasizes that, when a conversion service is offered at an ATM or point of sale, the payer must have the option to reject that service and pay in the currency of the payee.
European rules require clearer display of costs
In the European Union, the issue of currency conversion is not left exclusively to the small print. Regulation EU 2019/518 introduced additional transparency requirements for cross-border payments and currency conversions. According to that regulation, payment service providers and parties offering currency conversion at an ATM or point of sale must display information about costs in a clear and understandable way. It is especially important that the costs be shown as a percentage margin in relation to the latest available reference rate of the European Central Bank.
The European Central Bank publishes euro reference exchange rates for a range of world currencies every working day at around 16:00 Central European Time. These rates have an informational purpose and do not mean that every card transaction will be carried out exactly at that value, but they serve as an important reference point. When the user sees on the screen a margin in relation to the ECB rate, he or she gets at least a basis for assessing how far the offered conversion is from a market-oriented reference rate.
Still, transparency does not automatically mean favorability. Even when the data are displayed, the user must recognize and understand them within a few seconds. That is why the most practical rule is very simple: if paying or withdrawing cash in a country that uses another currency, one should generally choose the local currency, not the card currency. This rejects DCC, and the conversion is carried out by the bank or card company according to the card terms.
How to recognize the trap on the ATM or terminal screen
DCC does not always have to be called by the same name. On the screen it may appear as “dynamic currency conversion”, but also as “pay in your home currency”, “pay in EUR”, “pay in USD”, “conversion accepted”, “guaranteed exchange rate”, or “cardholder preferred currency”. The key warning sign is the moment when the user is offered a choice between two currencies for the same transaction. If the price of goods, a service, or the cash withdrawal amount is in the local currency, and the terminal suddenly offers charging in the card currency, it is most likely DCC.
At ATMs, extra care should be taken with wording that looks like a warning. Some screens may suggest that the user is “declining a secure rate” or “continuing without conversion”. This does not mean that the transaction will remain without any conversion, but that the conversion offered by the ATM is being rejected. If the card account is not in the local currency, the currency will still be converted, but usually through the card issuer or card scheme, and not through the ATM’s DCC offer.
At POS terminals, the user should personally see the amount and the selected currency before confirming with a PIN or contactless payment. If the terminal immediately displays the amount in the card currency, it is useful to request charging in the local currency before completing the transaction. After transaction confirmation, the possibility of correction depends on the merchant, the rules of the card company, and the processing stage, so it is much simpler to check the decision before the payment is confirmed.
Three different costs that travelers often experience as one
When paying abroad, the final amount on the account may be the result of several separate fees. The first is the exchange-rate difference, that is, the way one currency is converted into another. The second is the foreign-currency transaction fee, which may be charged by the card-issuing bank according to its price list. The third is the ATM fee or local service provider fee, which may be charged independently of DCC. DCC may add another unfavorable element because the conversion is carried out at the rate offered by the provider of that service.
For this reason, two people who withdraw the same amount of cash in the same country may ultimately pay different amounts. The difference may depend on the bank that issued the card, the type of card, ATM fees, accepting or rejecting DCC, the posting date, and the exchange rate applied. This does not mean that every transaction abroad is unpredictable, but that it is necessary to separate the costs and understand where they arise.
The biggest problem for consumers is that DCC is often presented as a practical service, not as a potentially more expensive option. The user sees a familiar currency and concludes that this avoids a surprise. In reality, the real surprise may be precisely the difference between the offered exchange rate and the rate that would have been applied if the local currency had been chosen.
What to do before traveling
The best protection against unnecessary costs begins before departure. The user should check the price list of his or her bank, the card terms, and the fees for payments in a foreign currency. Some cards have more favorable terms for foreign payments, while others charge additional percentages or fixed amounts per transaction. With debit cards, it is especially important to check the terms for cash withdrawals, because the fees may differ from the fees for payment at the point of sale.
Before traveling, it is also useful to know the official currency of the destination country and the approximate exchange rate. It is not necessary to memorize decimal values, but a rough estimate helps recognize when the amount offered at the ATM is unusually unfavorable. If a calculation appears on the screen that deviates significantly from what is expected, that is a reason for caution, especially if a “secure” or “guaranteed” conversion is offered at the same time.
Travelers who want to reduce risk can plan part of their expenses by card and part in cash. But cash is not automatically cheaper either: exchange offices, airports, and tourist locations may have less favorable exchange rates or additional fees. The key is to compare the total cost, not just look at the highlighted message “no commission”, because the cost may be hidden in the exchange rate.
Practical rules for paying and withdrawing cash
- Choose the local currency. If a choice is offered on the terminal or ATM, one should generally choose the currency of the country in which payment or cash withdrawal is being made.
- Reject the offered conversion. If the ATM asks whether the user accepts the displayed rate or conversion, rejecting DCC usually means that the conversion will be carried out by the card issuer.
- Do not rush confirmation. Before entering the PIN or confirming a contactless payment, the currency and amount on the screen should be checked.
- Check card fees. The bank may charge a separate fee for foreign-currency transactions or for withdrawing cash abroad.
- Avoid unnecessary small withdrawals. If the ATM charges a fixed fee, several smaller withdrawals may be more expensive than a smaller number of carefully planned transactions.
- Keep receipts. A receipt from the ATM or terminal may help verify whether the currency, amount, and possible fees were displayed before confirmation.
Why the problem is not seen immediately
One of the reasons why DCC goes unnoticed is the delay between the transaction and the final posting. During the trip, the user sees one amount, and only later in the bank app or on the statement sees the real cost. If several payments have been made, it is difficult to reconstruct which transaction was the most expensive and exactly where the money was lost. At ATMs, the situation is further confusing because the device fee, DCC, and bank fee may appear as different elements of the same cost.
The second reason is language. ATMs and terminals often offer instructions in English or the local language, and financial terms are not always clear even to users who understand the language well. Messages may be shaped so that the more expensive option is intuitively more attractive: familiar currency, guaranteed rate, immediately visible final amount. The cheaper option may look like rejecting protection, although what is actually being rejected is the conversion service at the place of payment.
The third reason is trust in the device. An ATM is perceived as a neutral financial tool, and a POS terminal as the technical part of payment. But both the ATM and the terminal may be part of a commercial model in which certain participants earn income from currency conversion. This does not mean that DCC is illegal, but that the user must understand that the offered convenience has a price.
When DCC may make sense
Although travelers are most often advised to pay in the local currency, DCC is not necessarily an illegal or hidden service. In theory, the user may decide to accept DCC if it is more important to know the final amount immediately in the account currency than to get a potentially more favorable exchange rate. This may be relevant for business expenses, internal limits, or situations in which the user must document an amount in a specific currency. But such a decision makes sense only if the exchange rate, margin, and total amount are clearly displayed and if the user consciously accepts the possible additional cost.
For most everyday travel transactions, especially when paying for food, transport, tickets, accommodation, and withdrawing cash, the simpler rule is to avoid DCC and stay with the local currency. This does not eliminate all possible fees, but it avoids one of the most common and most unpleasant traps when paying abroad.
The bigger picture: a travel budget does not disappear only on large expenses
The big costs of travel are usually visible in advance: transport, accommodation, tickets, insurance, and main activities. But the budget is often spent on smaller, repeated transactions. Coffee, taxi, dinner, souvenir, ticket, cash for the market or public transport — each of these transactions may carry a small difference in the exchange rate or fee. When added together, the amount is no longer negligible.
DCC is therefore not only a technical issue of card payment, but a matter of financial literacy in everyday situations. A traveler does not have to know all card processes, but must recognize the basic decision: the merchant’s currency or the card currency. If the goal is to avoid unnecessary costs, choosing the local currency is most often the safest initial answer.
As of April 26, 2026, the most important practical rule remains the same: when an ATM, terminal, or online checkout abroad offers payment in a “familiar” currency, that offer should be read as a conversion service, not as a neutral price display. Only after understanding who sets the exchange rate and which fees apply can the user make an informed decision. In most travel situations, the most reasonable choice will be to reject dynamic conversion and pay in the local currency.
Sources:- Visa – explanation of dynamic currency conversion and examples of when the user is offered payment in the card currency (link)- Mastercard – guide to Dynamic Currency Conversion, description of the service and basic rules for merchants, card acquirers, and ATMs (link)- European Union, Regulation (EU) 2019/518 – rules on cross-border payments, currency conversion, and cost transparency (link)- European Commission – questions and answers on cross-border payments and the obligation to display the margin in relation to the European Central Bank reference rate (link)- European Central Bank – euro reference exchange rates and explanation of their publication every working day (link)- BEUC, The European Consumer Organisation – analysis of dynamic currency conversion and consumer risks when paying by card and using ATMs (link)
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