What a balance transfer actually does

A balance transfer moves debt you owe on one credit card to a different card, usually one with a lower interest rate. You contact the new card issuer, give them the name of your current card and the amount you want to move, and they pay off that balance on your behalf. You then owe the new card issuer instead of the old one.

The main reason to do this is to save money on interest. If you carry a balance at 22% APR and move it to a card offering 0% APR for 12 months, you stop paying interest during that promotional period — but only on the amount you transfer. Any new purchases you make on the new card usually accrue interest at the regular rate when ready.

Balance transfers almost always charge a fee, typically 3% to 5% of the amount you move. This fee is added to your new balance, so if you transfer $5,000 with a 3% fee, you now owe $5,150. That fee is still worth paying if the interest savings exceed it, but you need to do the math before you start.

Key Takeaways

  • A balance transfer moves your debt to a new card with a lower interest rate, usually one offering 0% APR for a set number of months.
  • You will pay a transfer fee of 3% to 5% of the amount moved, added to your new balance on day one.
  • The 0% rate applies only to the transferred balance, not to new purchases, so avoid charging anything else to the new card during the promotional period.
  • You must pay down the transferred balance before the promotional period ends, or the remaining amount will jump to the card's regular interest rate.
  • You need your current card number, the amount to transfer, and proof of income or a recent statement to request a transfer.

Decide whether a balance transfer makes financial sense

Before you request a transfer, calculate whether you will actually save money. You need three numbers: the transfer fee, the interest you would pay on your current card during the promotional period, and the interest you would pay on the new card after the promotional period ends.

Example: You owe $3,000 at 20% APR on your current card. A new card offers 0% APR for 12 months with a 3% transfer fee. The fee is $90. If you make no payments, you would owe $3,600 in interest on the old card over 12 months. On the new card, you owe $3,090 (the original $3,000 plus the $90 fee) with zero interest during the promotional period. You save $510 even after paying the fee — but only if you pay off the $3,090 before month 13.

If you cannot pay off the balance before the promotional rate ends, the math changes. Check what the regular APR will be after the promotion expires. If it is 18% and you still owe $2,000 when month 13 arrives, you will start paying interest again on that remaining balance. The transfer may still be worth it, but you need to know the cost.

Find a card that offers a 0% balance transfer rate

Not every credit card offers balance transfer promotions, and the terms vary widely. Some cards offer 0% for 6 months, others for 18 months or longer. Some charge no transfer fee, though this is rare. You need to compare what is actually available to you.

Check the websites of cards you already have or cards from issuers you bank with — they often show you the promotional rates you may receive before you formally request anything. If you do not have a card yet, you can search for balance transfer offers online, but remember that the rate and terms you see advertised are not may provide. The issuer will make a final decision based on your credit score and income.

Read the fine print for the exact end date of the promotional period. Some cards count it from the date you open the account, others from the date the transfer posts. This difference can be weeks, so confirm which applies before you transfer.

Request the balance transfer from the new card issuer

Once you have chosen a card, contact the issuer to request the transfer. You can usually do this online through their website, by phone, or by mail. Have your current credit card number and statement handy.

The issuer will ask you for the name of the card you are transferring from, the account number, and the amount you want to move. They will also confirm the transfer fee and the promotional rate. At this point, you can still cancel if the terms are not what you expected.

After you confirm, the issuer will send a payment directly to your old card issuer. This usually takes 5 to 14 business days. During this time, continue making at least the minimum payment on your old card — the transfer has not posted yet, so you still owe that balance there.

Understand what happens after the transfer posts

Once the transfer appears on your new card statement, you owe that balance to the new issuer, not the old one. The old card balance should drop to zero or close to it. Check your old card statement online to confirm the transfer went through.

Your new card now shows the transferred balance plus the transfer fee. This entire amount is subject to the 0% promotional rate for the agreed-upon period. Any new purchases you make on this card will accrue interest at the regular rate, so avoid using it for new charges during the promotion.

You now have two monthly payments to track: the minimum on the new card (which includes the transferred balance) and any remaining balance on the old card if the transfer did not cover everything. Set a reminder for the month before the promotional period ends so you know exactly how much you still owe and what your interest rate will become.

Create a payoff plan before the promotional rate expires

The entire point of a balance transfer is to pay down the debt while you are not paying interest. Calculate how much you need to pay each month to clear the balance before the promotional period ends.

If you transferred $5,000 with a 3% fee (total $5,150) and you have 12 months at 0%, you need to pay at least $429 per month to break even. Paying more than this amount means you will owe less when the promotional period ends. Paying less means you will still owe a balance when the regular interest rate kicks in.

Set up automatic payments if possible, so you do not miss a due date. Missing a payment can end the promotional rate early and trigger penalty interest, which defeats the purpose of the transfer. Some issuers will reinstate the promotional rate if you call and ask, but do not count on it.

Avoid common mistakes that cost you money

The most expensive mistake is letting a balance remain when the promotional period ends. If you owe $1,000 on a card that jumps from 0% to 18% APR, you will pay $180 in interest that year alone. Plan your payoff before you transfer, not after.

Another common error is using the new card for new purchases. The 0% rate applies only to the transferred balance. New charges accrue interest when ready at the regular rate, and the issuer will explore your payments to the transferred balance first, leaving new purchases to accumulate interest longer. Keep the new card for the transfer only.

Do not close your old card when ready after the transfer posts. Closing a card lowers your available credit and can hurt your credit score. Leave it open with a zero balance. You can close it later if you want, but there is no benefit to doing it right away.

Frequently Asked Questions

Will a balance transfer hurt my credit score?

A balance transfer will cause a small, temporary dip in your score because the issuer will run a hard inquiry and you will have a new account. Your score usually recovers within a few months. The long-term benefit — paying down debt faster — usually outweighs the short-term hit.

Can I transfer a balance from one card to the same card?

No. You cannot transfer a balance from a card to itself. You must transfer to a different card from a different issuer. Some issuers allow you to transfer between their own cards, but this is less common.

What if I cannot pay off the balance before the promotional rate ends?

You will owe the remaining balance at the card's regular interest rate, which is usually higher than your original card. You could request another balance transfer to a different card with a new promotional period, but each transfer charges a fee and requires a hard inquiry. This strategy works only if the new promotional rate and fee are better than paying interest on the old card.

Does the transfer fee get charged all at once?

Yes. The fee is added to your balance on the first statement after the transfer posts. If you transfer $5,000 with a 3% fee, you owe $5,150 when ready, and that entire amount is subject to the 0% promotional rate.

Can I transfer a balance if I have bad credit?

Balance transfer offers are usually available only to people with fair credit or better. If your score is very low, you may not be approved for a card with a promotional rate. In that case, focus on paying down your current balance as aggressively as possible, or look for a secured card that might offer a transfer option.