Money and payments abroad

The only number that matters when you pay abroad is the total cost in your home currency. That cost is the sum of the exchange rate markup and any fees charged by your card issuer, the ATM operator, or the merchant. To minimize that cost, you need a decision rule, not a list of tips. Here is the rule: use a card that charges zero foreign transaction fees, withdraw local currency from an ATM that belongs to a major bank in that country, always refuse Dynamic Currency Conversion (DCC), and carry a second card from a different network as backup. This page gives you the verification workflow to apply that rule with current data, not promises.

Understand the true cost of a payment

Every cross-border payment involves two components: the exchange rate and the fee. The exchange rate is the price at which one currency is converted to another. The benchmark is the mid-market rate, also called the interbank rate, which is the rate used between banks. You can find the current mid-market rate on any given day from XE or OANDA (source: OANDA and XE, daily rates). Retail exchange services, including banks, ATMs, and currency exchange bureaus, add a markup to that rate. The markup typically ranges from 1% to 5% above the interbank rate (source: World Bank Global Findex database, 2021).

The fee is a separate charge. Common fees include:

• Foreign transaction fee: charged by your card issuer for purchases made in a foreign currency. Typically 1-3% of the transaction amount. This applies to credit and debit cards issued outside the currency zone.
• ATM withdrawal fee: a flat fee per transaction, a percentage of the amount, or both. Charged by the ATM operator and sometimes by your own bank.
• Dynamic Currency Conversion (DCC) fee: not a separate line item, but a worse exchange rate. DCC is offered at some ATMs and point-of-sale terminals when the merchant or ATM asks if you want to pay in your home currency. The exchange rate used is set by the merchant’s bank and is almost always worse than the network rate. Always decline DCC and choose to be charged in the local currency.

The total cost is the sum of the markup on the exchange rate plus any fees. A card with no foreign transaction fee but a 2% exchange rate markup is cheaper than a card with a 1% fee and a 3% markup. You must compare the total.

Choose your primary payment card

The single most effective step is to get a credit or debit card that charges zero foreign transaction fees. Many banks and fintech companies offer such cards. Check your current card’s terms: look for “foreign transaction fee” in the pricing section. If it is 1-3%, apply for a card that explicitly states “no foreign transaction fees.” Examples of card networks that typically have no foreign transaction fee cards include Visa and Mastercard, but the fee is set by the issuer, not the network. Verify by reading the card’s terms and conditions.

For cash withdrawals, a debit card from a bank that refunds ATM fees is ideal. Some online banks and neobanks offer accounts with no ATM fees worldwide and use the mid-market exchange rate. Check the card’s fee schedule for “international ATM withdrawal fee.” If it is a flat fee (e.g., about about $5 per withdrawal), withdraw larger amounts less frequently to reduce the per-dollar cost.

Carry a backup card from a different network

ATMs and merchants in some countries may not accept your primary card network. In many parts of Asia and Africa, Visa is more widely accepted than Mastercard, and the opposite is true in parts of Europe. Carry one Visa and one Mastercard from different issuers. This gives you two independent payment methods. If one card is lost, stolen, or blocked, you have a working alternative.

Withdraw cash at the right ATM

Not all ATMs are equal. Follow this decision rule:

1. Use an ATM that belongs to a major local bank in that country. Avoid independent ATMs in convenience stores, currency exchange booths, or tourist areas. They often charge higher fees and worse exchange rates.
2. Check for a fee warning on the screen. The ATM will show the fee before you confirm the transaction. If the fee is more than about about $5 or 5%, cancel and find another ATM.
3. Always refuse DCC. When the ATM asks if you want to see the amount in your home currency, select “No” or “Cancel.” The transaction will proceed in the local currency at the network exchange rate, which is better.
4. Withdraw a larger amount less frequently to minimize per-transaction fees. Withdraw enough cash for several days, but not so much that you risk loss or theft.

Pay by card at the point of sale

When paying by card at a merchant, the same DCC trap exists. The terminal may ask if you want to pay in your home currency. Always choose the local currency. The merchant’s exchange rate for DCC is typically 3-7% worse than the network rate. Refusing DCC is the single easiest way to save money on every transaction.

Know the cash culture of your destination

Cash acceptance varies dramatically by country. According to the World Bank Global Findex database (2021), in many high-income countries, more than 90% of adults have a bank account and card payments are dominant. In lower-income countries, cash remains king. For example, in Japan, cash is still widely used despite high card acceptance in cities. In Germany, many small shops and restaurants prefer cash. In Nigeria, card infrastructure is limited outside major cities.

Before you travel, check the “cash vs. card” culture for your destination. A quick search for “[country] cash culture” or “how to pay in [country]” from a reputable travel guide (not a forum) will give you a sense. The rule of thumb: carry enough local currency to cover at least two days of expenses in cash-dependent countries, and use cards where possible in card-friendly countries.

Exchange cash at the right place

If you need to exchange cash, avoid airport exchange counters and hotel desks. They charge the highest markups, often 5-10% above the interbank rate. Instead, use an ATM to withdraw local currency, or exchange at a local bank or a reputable exchange bureau in the city center. Compare the offered rate with the mid-market rate on XE or OANDA. A fair markup is 1-3%. If the bureau offers a rate more than 5% away from the mid-market, walk away.

Understand currency codes and symbols

Each currency has a three-letter ISO 4217 code (source: ISO 4217 standard, latest update 2024). For example:

• USD for US Dollar
• EUR for Euro
• JPY for Japanese Yen
• GBP for British Pound
• CNY for Chinese Yuan Renminbi

Currency symbols vary: $ for dollar, € for euro, ¥ for yen, £ for pound, ₩ for won. The symbol may appear before or after the amount depending on local convention. Note that the same symbol may be used for different currencies: $ can mean US, Canadian, Australian, or Singapore dollars. Always check the ISO code when comparing rates.

Know the legal limits and reporting requirements

Some countries restrict the amount of local or foreign currency you can bring in or take out. For example, European Union member states require any person entering or leaving the EU with cash of about €10,000 or more (or equivalent in other currencies) to declare it to customs (source: EU regulation 2018/1673). Similar thresholds exist in the United States (about about $10,000), Australia (Aabout about $10,000), and many other countries. Check the customs authority of your destination before travel. Failing to declare can result in seizure of the cash and fines.

Build your verification workflow

To apply this guide for your specific trip, follow this workflow:

1. Check your card’s foreign transaction fee: Log into your bank’s website or app. Find the “fees and charges” section. Look for “foreign transaction fee” or “international transaction fee.” Write down the percentage.
2. Check your card’s ATM withdrawal fee: Same section. Look for “international ATM withdrawal fee.” Note the flat fee and any percentage.
3. Check your backup card: Repeat steps 1 and 2 for your second card.
4. Research cash culture: Search for “[country] cash vs card” on a reputable travel guide.
5. Check cash declaration limits: Search for “cash declaration [country] customs” and find the official government page.
6. On arrival: Use an ATM from a major local bank. Refuse DCC. Withdraw a larger amount.
7. At point of sale: Always pay in local currency. Decline DCC.

What this guide does not cover

This guide does not give visa advice, security updates, or current travel advisories. For those, go to your foreign ministry’s travel advisory or the IATA Travel Centre. This guide does not recommend specific banks, cards, or exchange bureaus. It gives you the method to evaluate them yourself.