Foreign Currency ATM Fee Summary: Interbank Withdrawal Guide Across 10 Major Banks, The Most Cost-Effective Way to Exchange Currency

Before traveling overseas, are you still worried about the time required for over-the-counter currency exchange and potentially high fees? With its 24-hour availability, foreign currency ATMs have become the preferred exchange option for an increasing number of people. However, fee rules for foreign currency ATMs vary widely across banks. Is it more cost-effective to withdraw from a TWD account or a foreign currency account? How are interbank foreign currency withdrawal fees calculated? If you do not fully understand these issues, you may end up paying extra fees without realizing it. This article provides a comprehensive breakdown of foreign currency ATM fees at major banks and offers the most practical money-saving withdrawal strategies, helping you exchange currency easily and spend wisely. 

Understand Foreign Currency ATM Fees at a Glance: Two Main Withdrawal Methods with Very Different Costs

When using a foreign currency ATM to withdraw cash, there are two main methods. Their exchange rate calculation bases and fee structures are completely different. Understanding these differences is the first step to saving money.

Method One: Withdraw Foreign Currency Cash Directly from a “TWD Account”

This is the most intuitive and convenient method. When you use a debit card from any bank at a foreign currency ATM with interbank withdrawal functionality, the bank will directly debit your TWD account and dispense the foreign currency cash you selected.

• Exchange Rate Calculation: This is usually calculated based on the “foreign currency cash selling rate” of the bank that owns the ATM at the time of the transaction. This rate is typically the highest among all exchange rates.
• Fees:
  • In Bank Withdrawals: Most banks offer fee-free withdrawals.
  • Interbank Withdrawals: A fixed interbank withdrawal fee is charged, usually TWD 5. Please note that this is only the “interbank withdrawal” fee. Whether your card issuing bank charges additional fees depends on each bank’s specific rules.
• Pros: ✅ Simple operation, no need to exchange currency in advance, suitable for those with temporary small foreign currency needs.
• Cons: ❌ The exchange rate used is the “cash selling rate”, which is usually the least cost-effective, and favorable exchange rates cannot be locked in.

Method Two: Withdraw Foreign Currency Cash from a “Foreign Currency Account”

This method requires you to open a foreign currency account with the bank in advance, and purchase foreign currency at favorable exchange rates through online banking or at the counter for deposit. When withdrawing, the amount is deducted directly from the foreign currency account.

• Exchange Rate Calculation: Since you have already exchanged currency in advance, exchange rate fluctuations at the time of withdrawal are irrelevant. Your cost depends on the original “spot selling rate” used during the online exchange.
• Fees: This fee is referred to as the “foreign currency cash withdrawal fee”. Banks transfer the difference between the spot rate and the cash rate (known as the exchange spread) into a fee. The calculation method is usually “withdrawal amount x (cash selling rate minus spot selling rate)”, and most banks set a minimum fee threshold, (for example: TWD 100).
• Pros: ✅ Allows you to exchange currency online at lower rates and lock in better costs, suitable for users with large withdrawal needs or long-term planning.
• Cons: ❌ Withdrawals can only be made at the “same bank’s” foreign currency ATMs, interbank withdrawals are not allowed. There is also usually a minimum fee threshold, making small withdrawals potentially not cost-effective.

2025 Foreign Currency ATM Fee Comparison Table for Each Bank

To give you a clear overview, the CashbackIsland team has compiled the foreign currency ATM fee rules of major Taiwanese banks. Please note that promotional offers from each bank may change at any time, and it is recommended to confirm with the bank again before making an actual withdrawal.

Note: The above information is compiled from the official websites of each bank and is for reference only. For the latest information, please refer to official bank announcements.

Key Bank Fee Breakdown: Bank of Taiwan, E.SUN Bank, CTBC, Taishin Bank, Cathay United Bank

• Bank of Taiwan: As a state owned bank, Bank of Taiwan’s exchange rates are often used as a benchmark. It has a wide distribution of foreign currency ATMs and a stable withdrawal process. The fee for withdrawals from a foreign currency account is based on the posted exchange rate spread, with a minimum charge of NT$100, which is a threshold to be mindful of for large withdrawals.
• E.SUN Bank: E.SUN Bank actively develops digital finance, and its app’s online currency exchange function often offers exchange rate promotions. If you are an E.SUN wealth management client, you may be eligible for lower exchange spread fees or even a waiver of the minimum fee threshold. It is recommended to confirm with your relationship manager before making a withdrawal.
• CTBC: CTBC’s ATMs are widely available across Taiwan, making withdrawals highly convenient. Its foreign currency ATMs also support a relatively wide range of currencies. The fee structure is similar to that of its peers, with its main advantages being convenience and extensive coverage.
• Taishin Bank: Taishin Bank often launches promotional offers for currency exchange or withdrawals during specific periods or for its Richart digital account users. If you are a Taishin cardholder, it is worth paying attention to announcements on its official website. Making good use of these promotions can help you save significantly on foreign currency ATM fees across banks.
• Cathay United Bank: Also a major ATM network provider, Cathay United Bank’s convenience is unquestionable. Its process combining online currency exchange with ATM withdrawals is very smooth, making it suitable for users who are accustomed to digital operations.

Complete Guide to Interbank Foreign Currency Withdrawal Fees: How to Avoid Hidden Costs?

Many people have misconceptions about the fees for “interbank foreign currency withdrawals”, assuming that the cost is truly limited to the NT$5 shown on the screen. In reality, the devil is in the details.

Is the Interbank Fee Really Just NT$5? Applicable Scenarios and Limitations

You must clearly understand that the NT$5 is a service fee charged by the “ATM operating bank” to your “card issuing bank” for processing the interbank transaction. However, the true cost of currency exchange consists of two components:

1. Interbank service fee: A fixed NT$5.
2. Exchange rate applied: The “foreign currency cash selling rate” of the bank that owns the ATM at the time of the transaction.

This means that although the fee appears low, the exchange rate cost you bear is usually the highest. If your card issuing bank itself offers foreign currency ATMs, but you choose to withdraw from another bank’s ATM instead, you are effectively giving up any preferential benefits that may be available when withdrawing from your own bank’s account.

Important Notice: Foreign Currency Accounts Cannot be Used for Interbank Withdrawals

This is a very important concept. Foreign currency account withdrawals are limited to ATMs of the “same bank” only. You cannot use a debit card from Bank A at Bank B’s ATM to withdraw funds from your foreign currency account held at Bank A. The system does not support this type of interbank foreign currency account linkage. Therefore, if you have a large withdrawal need and have already exchanged currency online, be sure to check the locations of your own bank’s foreign currency ATMs in advance. 

Three Key Money Saving Tips for Foreign Currency ATM Withdrawals

After understanding the rules, the next step is how to apply them. Mastering the following three tips can help you effectively reduce your currency exchange costs.

Tip One: Choose Banks with Exchange Rate Discounts

Some banks offer online currency exchange “rate reductions” or “preferential margins” for salary transfer accounts, securities accounts, or wealth management clients. For example, a USD reduction of 0.03 or a JPY reduction of 0.1. Over the long term, these exchange rate discounts are far more significant than focusing on a NT$100 fee. If you have currency exchange needs, consider setting your primary bank with one that offers such incentives. To learn more smart currency exchange methods, you can refer to this complete guide on currency exchange tips. 

Tip Two: Use TWD Account Interbank Withdrawals for Small Amounts

If you only need a small amount of pocket money temporarily, such as a few hundred US dollars or several tens of thousands of Japanese yen, and the amount is not large, approximately (within the equivalent of NT$10,000 to NT$20,000), then withdrawing directly from a TWD account, or even via interbank withdrawal, may be the most cost effective choice. This is because even if the exchange rate is slightly worse, it is still cheaper than being charged the minimum NT$100 fee when withdrawing from a foreign currency account. The NT$5 interbank fee is almost negligible in this scenario. 

Tip Three: For Large Withdrawals, Exchange Online First, then Withdraw at an ATM

If your withdrawal amount is relatively large, (for example exceeding the equivalent of NT$50,000), the impact of the exchange rate will be magnified. In this case, the best strategy is:

1. Compare exchange rates: Compare the “spot selling rates” of different banks online.
2. Exchange online: Purchase foreign currency through online banking or an app at the bank offering the best rate.
3. Schedule withdrawal: Withdraw cash at that bank’s foreign currency ATM.

Although a minimum fee of NT$100 will be charged, because you have locked in a better spot exchange rate, after offsetting the costs, the total expense is usually lower than withdrawing directly from a TWD account at a high cash exchange rate.

Frequently Asked Questions (FAQ)

Q: Is the interbank foreign currency withdrawal fee always a fixed NT$5?

A: Yes. NT$5 is the fixed “interbank transaction fee”. However, this fee does not equal your total cost. Your total cost is the “total TWD amount paid”, which includes the exchange rate calculated using the ATM operating bank’s “cash selling rate”. This rate is usually less favorable and represents a hidden cost. Therefore, although the stated fee is only NT$5, the actual cost you pay may be higher.

Q: How is the fee calculated when withdrawing cash from a foreign currency account? Is it cost effective?

A: The fee is usually calculated as “foreign currency withdrawal amount × (cash selling rate minus spot selling rate)”, and most banks set a minimum fee threshold, commonly NT$100. Whether it is cost effective depends on the withdrawal amount. If the amount is large, the exchange rate savings achieved through online currency exchange will far exceed the NT$100 fee. If the amount is small, paying this NT$100 may be more expensive than withdrawing directly from a TWD account.

Q: Which bank offers the best foreign currency ATM exchange rates?

A: There is no fixed answer, as posted exchange rates at each bank fluctuate constantly. Generally, the “spot exchange rate” for online currency exchange is better than the “cash exchange rate” used for ATM withdrawals. It is recommended that before withdrawing, you check the real time rates of major banks via the Bank of Taiwan posted exchange rate website or other comparison platforms before making a decision.

Q: Which currencies can be withdrawn from foreign currency ATMs?

A: Common currencies include US dollars (USD), Japanese yen (JPY), euros (EUR), and Chinese yuan (CNY). Some banks, or ATMs at specific locations such as airports or tourist areas, may offer additional currencies, such as Hong Kong dollars (HKD) or Korean won (KRW). It is recommended to check the bank’s official website in advance for ATM locations and the supported currencies before making a withdrawal.

Q: Is There a Withdrawal Limit for Foreign Currency ATM Withdrawals?

A: Yes. The withdrawal limit is mainly subject to two restrictions. First, the daily TWD withdrawal limit of your debit card, which is (usually NT$100,000 to NT$150,000). Second, the limit on the number of banknotes that the ATM machine itself can dispense per transaction. When making a withdrawal, the system will convert your foreign currency amount back into TWD based on the current exchange rate to determine whether it exceeds your daily limit.

Conclusion

In summary, choosing the most cost-effective way to withdraw foreign currency from an ATM depends on your withdrawal amount, account type, and convenience considerations. For small or urgent needs, it is recommended to prioritize withdrawals from a TWD account, as even interbank foreign currency withdrawal fees remain relatively low. For large currency exchange needs, you should adopt the strategy of “exchange online first, then withdraw at your own bank’s ATM”. Although this involves paying a fee of around NT$100, it allows you to benefit from a better spot exchange rate, thereby reducing the overall cost. We hope this comprehensive comparison of foreign currency ATM fees across banks, along with the money-saving tips provided, will help you make the smartest and most cost-effective currency exchange decision before your next overseas trip.