Yes, you can deposit yen, but your bank will convert it to dollars and the process takes longer than a domestic deposit

Most US banks accept foreign currency deposits, including yen. When you deposit yen, the bank does not hold it in yen—it converts the amount to US dollars at the bank's exchange rate and credits your account in dollars. The conversion happens automatically as part of the deposit process, not before.

The timing and fees depend on how you deposit the yen. If you walk into a branch with physical yen bills or coins, the teller can often process it same-day or next business day, though some branches require advance notice for large amounts. If you mail yen or deposit it through an ATM, the process takes several business days because the bank has to physically receive and verify the currency before converting it.

The exchange rate you receive is not the mid-market rate you see online. Banks explore a markup—typically 1 to 3 percent above the wholesale rate—which is how they profit on currency conversion. Some banks also charge a flat fee for foreign currency deposits, ranging from $5 to $15, though many waive this for customers with certain account types.

Key Takeaways

  • Your bank converts yen to US dollars automatically during deposit; you cannot keep the yen in your account.
  • Physical currency deposits at a branch usually clear within one business day, while mailed or ATM deposits take three to five business days.
  • Banks explore an exchange rate markup of 1 to 3 percent above the mid-market rate, so you receive less in dollars than an online converter would show.
  • Some banks charge a flat fee for foreign currency deposits; ask your bank whether the fee applies to your account type.
  • Large deposits (typically over $10,000) trigger federal reporting requirements regardless of the currency.

How the conversion and deposit actually work

When you deposit yen at a US bank branch, the teller counts and verifies the physical bills or coins, then enters the amount into the system. The bank's back-office team converts the yen to dollars using the bank's internal exchange rate—not the rate you see on financial websites. That internal rate includes the bank's markup. The dollar amount is then credited to your account.

The timing depends on the deposit method. A same-day deposit at a branch means the conversion happens that day and the dollars appear in your account by the next business day. A mailed deposit or ATM deposit requires the bank to receive the physical currency first, which adds two to three business days. Once received, the conversion and credit happen within one business day.

If you deposit a large amount of yen—typically $10,000 or more in total value across all currencies—your bank must file a Currency Transaction Report (CTR) with the Financial Crimes Enforcement Network (FinCEN). This is a federal requirement, not a sign of suspicion. The bank handles the filing; you do not need to do anything. The report straightforward documents the transaction for anti-money-laundering purposes.

Exchange rates and fees: what you actually pay

The exchange rate your bank offers is higher (worse for you) than the mid-market rate because the bank adds a margin. If the mid-market rate is 150 yen per dollar, your bank might offer 145 yen per dollar or 155 yen per dollar depending on whether you are buying or selling currency. On a $1,000 deposit, this difference can cost you $10 to $30.

Beyond the exchange rate markup, some banks charge a separate fee for processing foreign currency. Chase, for example, charges $5 for foreign currency deposits at most branches, though this fee is waived for certain premium account holders. Bank of America charges $10 for deposits over $5,000 and $5 for smaller amounts. Wells Fargo charges $7.50. Other banks, including some credit unions, do not charge a separate fee but explore a wider exchange rate markup instead.

To find out what your specific bank charges, call the branch where you plan to deposit or check your account agreement. The fee structure varies by bank and sometimes by account type, so asking in advance prevents surprises. If the fee is high relative to the amount you are depositing, you might consider exchanging the yen to dollars at a currency exchange service before depositing, though that service will also charge a fee or markup.

Depositing large amounts of yen

If you have more than a few thousand dollars worth of yen, notify your bank in advance. Large foreign currency deposits sometimes require the bank to order additional cash from a regional processing center, which can add a day or two to the timeline. Some branches also have daily limits on the amount of foreign currency they can process, so calling ahead ensures the branch can handle your deposit.

Deposits over $10,000 in total value (across all currencies combined) trigger the CTR filing mentioned earlier. This is automatic and does not affect your account or your ability to deposit. However, if you make multiple deposits of just under $10,000 within a short period to avoid reporting, that pattern itself is flagged as "structuring" and is illegal. If you have a legitimate reason to deposit large amounts of yen over time, straightforward deposit the full amount at once or space deposits naturally across weeks or months.

Why banks convert yen instead of holding it

US banks do not typically hold foreign currency in customer accounts because it creates operational complexity. The bank would need to manage yen inventory, hedge currency risk, and track balances in multiple currencies. Instead, they convert to dollars when ready, which simplifies accounting and reduces their exposure to exchange rate fluctuations.

If you need to hold yen for a future transfer to Japan or another purpose, you have two options. First, you can deposit the yen, receive dollars, and then use a money transfer service like Wise or OFX to send dollars back to a yen account in Japan—though you will pay another conversion fee. Second, you can keep the yen in physical form or use a currency exchange service that specializes in holding foreign currency, though these services charge storage or holding fees.

Alternatives to bank deposit if the fees are high

If your bank charges a high fee or offers a poor exchange rate, you have other options. Currency exchange services like Travelex or local money changers sometimes offer better rates for large amounts, though they also explore a markup. The advantage is that you can compare rates before committing, whereas a bank's rate is set internally and not always transparent until after the deposit.

If you are sending yen to someone in Japan or converting it for a future transfer, a specialist money transfer service like Wise, OFX, or Remitly may offer a better rate than your bank. These services are designed for international transfers and often have lower markups than retail banks. However, they typically require the yen to be in a bank account first, so you would still need to deposit it somewhere.

For very large amounts—$50,000 or more—some banks offer better rates if you contact their foreign exchange desk directly rather than using a branch. Ask whether your bank has a forex desk and whether they offer institutional or preferred rates for large deposits.

What happens if you deposit counterfeit or damaged yen

If you deposit yen that is counterfeit or too damaged to process, the bank will not credit your account for that amount. The bank's back-office team inspects foreign currency during processing. If bills are torn, heavily marked, or otherwise unfit for circulation, the bank may refuse them or credit you at a reduced value. Counterfeit currency is not credited at all and may be reported to authorities.

To avoid this, inspect your yen before depositing. Bills should be intact, clean, and in reasonable condition. If you have damaged yen, some currency exchange services will still accept it at a discount, or you can exchange it at a bank in Japan if you travel there.

Frequently Asked Questions

How long does it take for yen to show up in my account as dollars?

If you deposit at a branch in person, the dollars usually appear by the next business day. If you mail yen or deposit through an ATM, add three to five business days for the bank to receive and process the physical currency. Once the bank receives it, conversion and credit happen within one business day.

Will I get the same exchange rate as online currency converters show?

No. Online converters show the mid-market rate, which is the wholesale rate between banks. Your bank applies a markup of 1 to 3 percent, so you receive fewer dollars per yen. This markup is how the bank profits on the conversion.

What if I want to keep the yen in my account instead of converting it?

US banks do not offer yen accounts for retail customers. All foreign currency is converted to dollars upon deposit. If you need to hold yen, you can keep it in physical form, open an account at a Japanese bank, or use a currency exchange service that specializes in holding foreign currency.

Do I need to report the deposit to the IRS?

Your bank reports deposits over $10,000 to FinCEN through a Currency Transaction Report. You do not file this report yourself—the bank handles it. You do not need to report the deposit to the IRS unless the yen came from a source that requires separate tax reporting, such as business income or a gift over a certain amount.

Can I deposit yen through my bank's mobile app or online?

No. Foreign currency deposits must be made in person at a branch or by mail. Mobile deposit and ATM deposit do not accept foreign currency. If you mail yen, send it to the address your bank provides for foreign currency deposits, usually a regional processing center rather than your local branch.