What happens when you transfer a credit card balance
A balance transfer moves debt you owe on one credit card to a different card, usually one with a lower interest rate. The new card's issuer pays off your old balance, and you then owe that amount to the new issuer instead. You make one monthly payment to the new card rather than two separate payments.
The main reason people do this is to reduce interest charges. If your current card charges 22% annual interest and you transfer to a card charging 0% for the first 12 months, you stop paying interest during that period — but only on the transferred amount. Any new purchases you make on the new card typically start accruing interest right away at the card's regular rate.
Balance transfers are not free. Most cards charge a transfer fee of 3% to 5% of the amount you move. A $5,000 transfer at 4% costs $200 upfront. This fee gets added to your new balance, so you owe more than you started with. The math only works in your favor if the interest you save during the promotional period exceeds what you pay in fees.
Key Takeaways
- Balance transfers move your debt to a new card, usually to take advantage of a lower interest rate for a set period.
- Transfer fees typically run 3% to 5% of the amount moved and are added to your new balance immediately.
- The promotional interest rate applies only to the transferred balance, not to new purchases you make on the new card.
- You need an account with the new card issuer before you can request a transfer, and the process usually takes 5 to 14 days.
- If you do not pay off the transferred balance before the promotional period ends, the remaining amount reverts to the card's regular interest rate.
Steps to request a balance transfer
First, open an account with the card issuer you want to transfer to. You cannot move a balance to a card you do not yet own. The issuer will run a credit check and you will receive a credit limit — the maximum you can transfer is usually your full credit limit, though some issuers set a lower cap.
Once your new card arrives and is activated, contact the issuer to request the transfer. Most cards let you do this through their website or mobile app; some require a phone call. You will need to provide your old card number, the amount you want to transfer, and sometimes the name and address of the old card's issuer. The new issuer then contacts your old issuer to arrange payment.
The transfer typically posts within 5 to 14 days, though some issuers are faster. During this time, keep making minimum payments on your old card — the old issuer has not yet received the payoff, so your account is still active and interest is still accruing. Once the transfer completes, your old card's balance drops to zero (or to any remaining balance you did not transfer), and your new card's balance increases by the transferred amount plus the transfer fee.
Promotional rates and what happens after
Most balance transfer offers come with a 0% introductory rate that lasts anywhere from 6 months to 21 months, depending on the card. During this period, interest does not accrue on the transferred balance. This is your window to pay down the debt without interest working against you.
The promotional period applies only to the transferred balance. If you make new purchases on the same card, those purchases usually start accruing interest at the card's regular purchase rate immediately — often 18% to 25%. This is why balance transfer cards are best used to pay down existing debt, not to make new purchases.
When the promotional period ends, any remaining balance on the transferred amount reverts to the card's regular interest rate. If you transferred $5,000 and paid down $2,000 during the 0% period, the remaining $3,000 will start accruing interest at the standard rate. This is why timing matters: you want to pay off as much as possible before the rate changes.
Fees and costs to factor in
The transfer fee is the most obvious cost. At 3% to 5%, a $10,000 transfer costs $300 to $500 upfront. Some cards marketed to people with lower credit scores charge 5% or higher. A few cards (rare) offer 0% transfer fees for a limited time, usually as a promotional offer for new cardholders.
If you miss a payment on the new card, the issuer may cancel the promotional rate and charge you the regular interest rate immediately — even if the promotional period has not ended. This is called penalty rate pricing. Missing even one payment can cost you hundreds in unexpected interest charges.
There is also an indirect cost: if you close your old card after transferring the balance, your credit score may drop slightly. Closing a card reduces your available credit and can raise your credit utilization ratio (the percentage of your total credit limit you are using). If you want to keep the old card open, you can, but make sure you do not rack up new debt on it while paying down the transferred balance.
When a balance transfer makes financial sense
A transfer is worth doing if the interest you save during the promotional period exceeds the transfer fee. Use this rough calculation: multiply your transferred balance by the difference between your current card's interest rate and the new card's rate, then multiply by the number of months the promotional period lasts. If that number is larger than the transfer fee, you come out ahead.
Example: You owe $5,000 on a card charging 20% interest. You transfer to a card with 0% for 12 months and a 3% transfer fee. The fee costs $150. Over 12 months, you would pay $1,000 in interest on the old card (roughly $83 per month). By transferring, you save $1,000 and pay only $150 in fees — a net savings of $850.
A transfer makes less sense if you cannot pay down the balance during the promotional period, or if you have poor credit and the new card's regular rate is higher than your current card's rate. It also does not help if you plan to keep using the old card and accumulate new debt on it.
How balance transfers affect your credit score
Opening a new card triggers a hard inquiry on your credit report, which can lower your score by a few points temporarily. This dip usually recovers within a few months. The new account also lowers your average account age, which can have a small negative effect on your score.
However, a balance transfer can improve your credit utilization ratio if you close the old card or stop using it. If you owed $5,000 on a card with a $10,000 limit (50% utilization) and transfer that balance to a new card, your utilization on the old card drops to 0%. This can raise your score over time, offsetting the initial dip from the new account.
The key is to not accumulate new debt on either card while paying down the transferred balance. If you transfer $5,000 and then charge another $3,000 on the new card, your utilization stays high and the credit benefit disappears.
Alternatives if a balance transfer is not an option
If you have poor credit or cannot open a new card, you have other options. A personal loan from a bank or credit union often carries a lower interest rate than a credit card, though you will pay origination fees (typically 1% to 6%). You borrow a lump sum, use it to pay off the credit card in full, and then repay the loan in fixed monthly installments.
A debt consolidation loan works similarly but may combine multiple debts into one payment. These loans are often unsecured (no collateral required), though secured options backed by savings or a car may offer lower rates.
If you own a home, a home equity line of credit (HELOC) or cash-out refinance can provide lower interest rates, since the debt is secured by your house. This is riskier because you put your home at stake, but the rates are typically much lower than credit cards.
Frequently Asked Questions
Can I transfer a balance to a card from the same issuer?
Most issuers do not allow you to transfer a balance between their own cards. You typically need to transfer to a different issuer. Check your new card's terms before applying to confirm whether internal transfers are permitted.
What if I cannot pay off the balance before the promotional rate ends?
The remaining balance reverts to the card's regular interest rate, which can be 18% to 25% or higher. You will then owe interest on whatever is left. Some people do a second balance transfer to another card with a new promotional period, though this means paying another transfer fee and opening another account.
Does transferring a balance hurt my credit score?
Opening a new card causes a small temporary dip from the hard inquiry. Over time, the transfer can improve your score if it lowers your overall credit utilization. The net effect depends on your credit history and how you use the cards afterward.
Can I transfer a balance if I am behind on payments?
Most issuers will not approve a balance transfer if your account is in default or you have missed recent payments. You may need to bring your account current first, or wait several months after catching up before applying for a new card.
What happens to my old card after a balance transfer?
Your old card's balance drops to zero (or to any amount you did not transfer). The card remains open unless you close it. You can keep it open to maintain available credit and account history, or close it if you want to avoid the temptation to use it again.