When you transfer a credit card balance, the new card issuer pays off your existing card and rebills the same debt to your new account, usually at a promotional interest rate of 0% for a limited time. A transfer fee gets added to the new balance, your old account stays open with a zero balance unless you close it, and several things on your credit report shift at once. Whether the move saves you money depends on the fee, how long the promotional rate lasts, and how you handle payments and new purchases while it runs.
How the Transfer Gets Done
Once you apply for a new card (or request a transfer on one you already have), the new issuer verifies your old account details and sends payment to the original lender, either by electronic transfer or by mailing a paper check. Most transfers finish within five to seven days. Some banks take three or four weeks, and a few warn it can run up to six weeks.
You still owe the original lender during that window. Keep making scheduled payments on the old card until you can see the transferred balance posted as paid. Skipping a payment while the transfer is in transit can produce late fees and a negative mark on your credit report. When the old lender processes the incoming payment, that balance drops to zero and reappears on your new card.
The Fee That Rides Along
Nearly every balance transfer carries a fee of 3% to 5% of the amount moved, with a $5 minimum. You do not pay it out of pocket. It is added to the new balance. Transfer $5,000 at a 3% fee and you owe $5,150 on the new card the moment it posts.
Federal rules require issuers to disclose this fee in the tabular summary (often called the Schumer Box) that accompanies any credit card application or solicitation, alongside the APR and other key costs.1Consumer Financial Protection Bureau. 12 CFR Part 1026 – General Disclosure Requirements Read that table before you apply. Some cards charge a flat 5%. Others discount the fee (often to 3%) if you complete the transfer within a set number of days after opening the account.
What Can Stop a Transfer From Going Through
- Same-issuer rule. Most banks will not let you move a balance between two of their own cards. A Chase balance generally cannot go to another Chase card. You need a different issuer.
- Credit limit. The transfer amount plus the fee must fit inside the new card’s available credit. A $5,000 transfer with a 5% fee needs at least $5,250 of room. If the new limit is $5,000, the request is denied.
- Promotional deadline. Most 0% offers require the transfer to be completed within 30 to 120 days of opening the account. Miss it and the transfer may still go through, but at the card’s standard rate.
- Account standing. Recent late payments or a pattern of moving debt between cards can lead an issuer to reject the request.
How Interest Works Once the Balance Is Moved
The appeal is the introductory rate. Many cards offer 0% APR on transferred balances for 12 to 21 months. Federal law requires issuers to keep a promotional rate in place for at least six months before raising it.2Office of the Law Revision Counsel. 15 U.S. Code 1666i-2 – Additional Limits on Interest Rate Increases While the promo runs, no interest accrues on the transferred balance, so every dollar of payment reduces principal.
When the promotional period ends, whatever balance remains starts accruing interest at the card’s standard variable rate. As of early 2026, the average credit card rate is roughly 18.7%. Personal card rates at major banks commonly run 22% to 25%, and some sit well above 28%. A balance still on the card after the promo becomes significantly more expensive to carry.
Deferred Interest Is Not the Same Thing
Some retail store cards advertise “no interest if paid in full” promotions that look like a 0% APR offer and are not. With a true 0% balance transfer, no interest accrues during the promo, and any balance left afterward accrues interest only from that point forward. With a deferred interest promotion, interest is calculated every billing cycle and simply held back. Pay the full balance before the deadline and it is waived. Leave even a small amount unpaid and every dollar of interest, calculated retroactively to the original transaction date, gets added at once. Check the card’s terms to see which one you have.
Payments During the Promotional Period
A 0% rate does not mean no payments. You still owe at least the minimum every month. Miss it and you can trigger late fees and put the promotional rate itself at risk.
How Payments Get Applied
If the same card carries balances at different rates, such as a 0% transferred balance and new purchases at the standard rate, any payment above the minimum is applied to the highest-rate balance first.3Office of the Law Revision Counsel. 15 U.S. Code 1666c – Prompt and Fair Crediting of Payments That protects extra payments from being absorbed by the cheap debt. The minimum payment itself, however, is allocated at the issuer’s discretion and often goes to the lowest-rate balance.
What a Late Payment Actually Does
A single late payment is not enough to raise your interest rate. Federal law only permits a penalty rate increase if you fail to make the required minimum payment for more than 60 days past the due date, and the issuer must give you written notice. If you resume on-time minimum payments, the penalty rate must be reversed within six months.4Office of the Law Revision Counsel. 15 U.S. Code 1666i-1 – Limits on Interest Rate, Fee, and Finance Charge Increases Applicable to Outstanding Balances Even so, one late payment generates a fee and may hit your credit report.
Why New Purchases on the Same Card Get Expensive Fast
Credit cards normally give you a grace period of about 21 to 25 days after the statement closes, during which no interest accrues on new purchases if you pay the statement balance in full. Carry a transferred balance, and you usually cannot pay the statement in full, so the grace period disappears.5Consumer Financial Protection Bureau. What Is a Grace Period for a Credit Card
Any new purchase on the balance transfer card then starts accruing interest immediately at the standard rate, even though the transferred balance itself sits at 0%. That can quietly wipe out the savings from the promo. The straightforward fix is to use a different card for everyday spending and keep the balance transfer card reserved for paying down the moved debt.
What Happens to the Old Card
The transfer does not close your old account. It stays open at a zero balance with its original credit limit still available. If you want it closed, you have to call the old issuer and ask.
Whether to keep it open is a judgment call. Leaving it open preserves your total available credit and keeps the account contributing to your credit history length. A closed account in good standing stays on your credit report for up to 10 years, but once it falls off, your average account age may drop and pull your score down with it. Leave the card completely unused and the issuer may eventually close it for inactivity; the timeline varies by company, so ask.
How Your Credit Report Changes
A balance transfer shows up in several places at once.
The application produces a hard inquiry, which sits on your credit report for two years. Under FICO’s model it typically affects your score for about 12 months, with most of the impact fading in the first few months. One inquiry usually costs fewer than five points. Several applications close together can add up.
Your utilization ratios move next. The old card now reports a zero balance and the new card reports the transferred amount. If the new card has a higher limit than the old one, your overall utilization may improve. If both cards stay open, your total available credit rises, which also helps the ratio. Utilization is recalculated each month, so the change appears as soon as the new balances are reported.
Two open cards instead of one can also help your credit mix and available credit, provided you do not run the old card back up. New spending on the emptied card while the transferred balance sits on the new one raises your total debt and defeats the reason you did the transfer.