What a balance transfer does
A balance transfer moves debt from one credit card to another, usually one with a lower interest rate. You contact the new card issuer, give them the account number of your old card, and they pay off that balance for you. You then owe the new card issuer instead of the old one.
The point is to reduce how much interest you pay while you work down the debt. If you owe $5,000 on a card charging 22% annual interest, you are paying roughly $92 per month in interest alone. Move that same $5,000 to a card charging 0% for 12 months, and you pay no interest during that year — every dollar of your payment goes toward the actual debt.
Balance transfers are not free. Most card issuers charge a transfer fee, usually 3% to 5% of the amount you move. On a $5,000 transfer at 4%, you pay $200 upfront. That fee is added to your new balance, so you owe $5,200 on the new card. The math still works if the interest savings exceed the fee, but you need to do the calculation before you start.
Key Takeaways
- A balance transfer moves your debt to a new card, usually with a lower interest rate or an introductory 0% period that lasts a set number of months.
- Transfer fees typically run 3% to 5% of the amount moved and are added to your new balance on day one.
- The introductory rate expires on a specific date — after that, the regular interest rate kicks in, so you need a plan to pay down the balance before then.
- Your credit score may drop slightly when you open a new card and when the new issuer checks your credit, but it usually recovers within a few months.
- You must keep making payments on time during the introductory period, or the card issuer can end the 0% offer and charge you the regular rate retroactively.
The introductory period and what happens after
Most balance transfer offers come with an introductory period — commonly 6, 12, or 18 months — during which you pay 0% interest. This is the window you have to pay down the debt without interest working against you.
When that period ends, the regular interest rate takes over. If you still owe $3,000 on an 18-month 0% offer, and the regular rate is 18%, you will start paying interest on that $3,000 at the full rate. The card issuer will tell you the exact end date in your welcome materials and in your online account.
Some issuers will end the 0% offer early if you miss a payment or pay late. Read the terms carefully — many state that a single late payment can trigger the regular rate retroactively, meaning you could owe interest on the entire balance from the day you opened the card. That erases the benefit of the transfer.
How to decide if a balance transfer makes sense
A balance transfer only saves you money if you pay down the debt faster than you would have otherwise. The fee and the introductory period both matter.
Use this rough test: divide the transfer fee by the monthly interest you are currently paying. If you owe $5,000 at 22% interest, you pay about $92 per month in interest. A $200 transfer fee (4% of $5,000) means you break even after about 2 months. If the introductory period is 12 months, you have 10 months of interest-free payments — a real gain.
But if you owe $5,000 at 22% and the new card offers only 6 months at 0%, you have less time to pay it down. You need to be confident you can put enough toward the balance each month to make a dent before the regular rate kicks in. If you can only afford $200 per month, you will still owe $3,800 when the 0% period ends, and then interest starts accruing again.
What happens to your credit score
Opening a new credit card will cause a small, temporary drop in your credit score. The new issuer will run a hard inquiry into your credit report, which typically costs 5 to 10 points. Your score will also dip slightly because you now have a new account with a zero balance and a short credit history.
These effects are temporary. Your score usually recovers within 3 to 6 months, especially if you make all your payments on time and keep your balances low on other cards. The long-term benefit — paying off debt faster because of lower interest — usually outweighs the short-term score dip.
One thing to avoid: do not close your old card after you transfer the balance. Closing it will hurt your score more than opening the new one helped. Leave the old card open with a zero balance. This keeps your available credit high and your credit history intact.
Steps to move a balance to a new card
Once you have chosen a card with a balance transfer offer, the process is straightforward. You will need the account number of the card you want to pay off, the amount you want to transfer, and the name and address of the old card issuer.
Contact the new card issuer — usually through their website, mobile app, or customer service phone number. Tell them you want to transfer a balance. They will ask you for the old card details and the transfer amount. Some issuers let you do this before your new card arrives; others require you to wait until the card is activated.
The new issuer will send a payment directly to your old card issuer. This typically takes 5 to 14 business days. During this time, keep making your regular payments on the old card — do not assume the transfer has gone through until you see the balance drop.
Once the transfer posts, your old card balance will be zero (or close to it, if you had other charges). Your new card will show the transferred amount plus the transfer fee. From that point forward, you make payments to the new card issuer.
Common mistakes to avoid
The biggest mistake is running up new debt on the old card after you transfer the balance. If you move $5,000 and then charge another $2,000 to the same card, you now have two debts: the $5,000 on the new card at 0%, and the $2,000 on the old card at the original high rate. You end up paying more interest overall, not less.
Another mistake is missing a payment on the new card. Even one late payment can end the 0% offer and trigger the regular rate, sometimes retroactively. Set up automatic payments for at least the minimum, or set a phone reminder on the due date.
A third mistake is not having a payoff plan. The introductory period is not infinite. If you do not know how much you need to pay each month to clear the balance before the 0% period ends, you will be surprised by interest charges when the regular rate kicks in. Divide your new balance (including the transfer fee) by the number of months in the introductory period to find your target monthly payment.
When a balance transfer is not the right choice
A balance transfer does not make sense if you only owe a small amount. If you owe $800 and the transfer fee is $32, you are paying 4% just to move the debt. If you can pay off $800 in two or three months anyway, the fee eats into your savings.
A balance transfer also does not help if you cannot stick to a payment plan. If you have a history of missing payments or running up new debt, the 0% offer will not save you money — the missed payment penalty or the new charges will cost more than you save on interest.
Finally, a balance transfer is not a solution to overspending. If you transfer a balance and then charge the old card back up, you have doubled your debt. The real problem — spending more than you earn — is still there. A balance transfer buys you time to pay down existing debt, but only if you stop adding to it.
Frequently Asked Questions
Can I transfer a balance from one card to the same card issuer?
No. You cannot transfer a balance from a Chase card to another Chase card, for example. You must move the balance to a card from a different issuer. This is a rule all card companies enforce.
What if I can't pay off the balance before the 0% period ends?
You will owe interest on whatever remains at the regular rate. If you have $2,000 left when the 0% period ends and the regular rate is 19%, you will start paying interest on that $2,000. Some issuers offer a second balance transfer to another card, but this means paying another transfer fee and opening another new account.
Does a balance transfer hurt my credit score permanently?
No. The score drop from opening a new card is temporary, usually 5 to 10 points. Your score recovers within a few months if you make payments on time. The long-term effect on your credit is positive if the balance transfer helps you pay off debt faster.
Can I transfer a balance if I have bad credit?
Most balance transfer cards require good to excellent credit — usually a score of 670 or higher. If your score is lower, you may not be approved. Some issuers offer balance transfer cards for fair credit, but the introductory rate may be shorter or the transfer fee higher.
What if the new card issuer denies my balance transfer request?
The issuer may deny the transfer if the amount exceeds your credit limit, if the old card issuer will not accept the payment, or if there is a technical issue. Contact the new card issuer's customer service to find out why. You can try again later or explore other options, such as a personal loan or a debt management plan.