The short answer: A balance transfer moves debt from one credit card to another, usually to a card with a 0% or low introductory APR. You still owe the full amount plus a fee, but for a set number of months no interest is added, so every payment goes toward the balance. It saves money when the fee is smaller than the interest you avoid and you pay off most of the balance before the promo ends.
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Credit card interest is what keeps a balance hanging around for years. A balance transfer can stop that clock for a while, but only if you go in with a plan. Here's how it works, what it costs, and a worked example you can copy with your own numbers.
How a balance transfer works
- Find a card with a transfer offer. Look at the intro APR, how many months it lasts, the transfer fee and the regular APR after the promo.
- Apply. Approval and your credit limit depend on your credit. The limit caps how much you can move.
- Request the transfer. Give the new issuer the old card's account number and the amount. Many cards require you to transfer within a set window, such as the first 60 or 120 days.
- Keep paying the old card. Until the old card shows a $0 balance, make at least the minimum payment.
- Pay down the new card. Make a fixed monthly payment that clears the balance before the promo ends.
The CFPB's credit card key terms explain that the transfer fee is usually a percentage of the amount or a flat amount, whichever is more, and that the promo rate lasts for a limited time before the rate rises.
The key terms to check
| Term | What it means | What to look for |
|---|---|---|
| Intro APR | Interest rate during the promo | 0% is common |
| Promo length | How long the intro APR lasts | Long enough to pay it off |
| Transfer fee | Charge for moving the balance | Often 3% to 5% |
| Regular APR | Rate after the promo ends | Matters if you can't finish in time |
| Transfer window | How soon you must transfer | Usually 60 to 120 days after opening |
| Credit limit | How much you can move | Must cover the balance plus fee |
By law, the promo can't be too short. The CFPB says an introductory rate has to stay in effect for at least 6 months unless you're more than 60 days late, and the issuer must tell you what rate applies afterward.
What the transfer fee costs
The fee is a percentage of the amount moved, added to the new card's balance. Here is the dollar cost at the 3% to 5% range most issuers charge.
| Balance moved | 3% fee | 4% fee | 5% fee |
|---|---|---|---|
| $2,000 | $60 | $80 | $100 |
| $5,000 | $150 | $200 | $250 |
| $10,000 | $300 | $400 | $500 |
Compare the fee with the interest you would pay by keeping the balance where it is. At 22% APR, $5,000 costs about $92 in interest every month, so a $150 fee is repaid in under two months of avoided interest, as long as you keep paying the transferred balance down.
A worked example: $5,000 at 22% APR
| Keep it on the old card | Balance transfer | |
|---|---|---|
| Balance | $5,000 | $5,000 |
| Interest rate | 22% APR | 0% for 18 months |
| Transfer fee | $0 | 3% = $150 |
| Monthly payment | $286 | $286 |
| Time to pay off | About 22 months | 18 months |
| Total interest and fees | About $1,083 | $150 |
| Savings | About $933 |
The same $286 payment gets you out of debt four months sooner and saves over $900. That's the best case: you pay every month and finish before the promo ends.
To find your payment, add the fee to the balance and divide by the promo months:
($5,000 + $150) ÷ 18 = $286 a month
When a balance transfer is a good idea
- You have a solid plan to pay off the balance, or most of it, during the promo.
- The interest you'd save is clearly bigger than the fee.
- You can stop adding new charges to cards while you pay it down.
- Your credit is good enough to qualify for a long promo and a big enough limit.
When it's not
- You'd keep spending. New charges on top of the old balance make things worse.
- The balance is small. A $600 balance you can clear in 3 months may not be worth a $25 fee and a new account.
- You can't make the payment. If the math says $400 a month and you can pay $150, plan for the leftover balance at the regular APR.
- You're about to apply for a mortgage or car loan. A new card and hard inquiry can matter in the months before a big loan.
The fine print that trips people up
- New purchases. The CFPB explains that if you carry a balance, purchases on the card usually charge interest from day one, even when the transferred balance is at 0%. Use a different card or cash for spending.
- Late payments. Being more than 60 days late can end the promo and raise your rate.
- Same-bank rule. Most issuers won't let you move debt between two of their own cards.
- The promo end date. Put it on your calendar. Any balance left starts charging the regular APR.
Want to see the payoff for different balances and payments? Our how long to pay off a credit card tables cover $1,000 to $10,000, and what is APR explains how card interest is figured.
Track the payoff month by month
A balance transfer works best with a number you can see shrink. Write the total, the promo end date and your monthly payment where you'll look at them.
- Debt Payoff Planner, $6.99. Enter the transferred balance, the 0% period and your payment, and see your payoff date and interest saved.
- Bill Tracker Spreadsheet, $4.99. Log both card due dates so the old card never gets a late fee while the transfer goes through.
- Ultimate Budget Bundle, $19.99 (was $46.42). Eight budgeting tools, including the debt payoff planner, zero-based budget and sinking funds tracker.
Browse all money printables and spreadsheets. This page is for general education, not personal financial advice.
Related money guides
- Debt snowball vs avalanche
- How to get out of debt
- How to pay off holiday debt
- Credit utilization
- Average credit card debt
A balance transfer is one form of debt consolidation; compare it with personal loans and debt management plans before you apply.
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Frequently asked questions
What is a balance transfer? A balance transfer moves debt you owe on one credit card to a different credit card, usually one with a 0% or low introductory APR. You still owe the money, but for a limited time more of each payment goes to the balance instead of interest.
How does a balance transfer work? You apply for a card with a balance transfer offer, give the new issuer the account number and amount, and the new card pays off the old balance. The transferred amount, plus a fee, then shows up on the new card, where you pay it down during the promo period.
How much is a balance transfer fee? A balance transfer fee is usually a percentage of the amount you move, commonly 3% to 5%, or a flat minimum, whichever is more. On a $5,000 transfer, a 3% fee is $150 and a 5% fee is $250.
Can you be charged a fee on a 0% balance transfer? Yes, you can be charged a fee on a 0% balance transfer. The CFPB says a card company can charge a balance transfer fee even on a zero percent offer, so the 0% applies to interest, not to the fee.
How long does a 0% balance transfer last? Promo periods vary by card, often 12 to 21 months. The CFPB says an introductory rate has to last at least 6 months unless you are more than 60 days late on a payment.
What happens when the balance transfer promo ends? Any balance left at the end of the promo period starts charging the card's regular APR. The issuer has to tell you up front how long the intro rate lasts and what rate applies afterward.
Is a balance transfer worth it? A balance transfer is usually worth it when the interest you'd save is much bigger than the fee and you can pay off most or all of the balance before the promo ends. With $5,000 at 22% APR, a 3% fee of $150 can save roughly $900 in interest over 18 months.
Does a balance transfer hurt your credit score? It can dip a little at first, because applying for a new card adds a hard inquiry and a new account. Over time, paying the balance down lowers your credit utilization, which can help your score.
Can I transfer a balance between cards from the same bank? You usually can't transfer a balance between cards from the same bank. Most issuers don't let you transfer a balance between two of their own cards, so the new card needs to be from a different bank.
Should I use the new card for purchases? It's best not to. The CFPB explains that if you carry a balance, new purchases can start charging interest right away, even while the transferred balance is at 0%.
How long does a balance transfer take? Balance transfers often take a few days to a couple of weeks. Keep paying the old card on time until it shows a zero balance, so you don't get a late fee.
What is the difference between a balance transfer and a debt consolidation loan? A balance transfer moves debt onto another credit card with a temporary promo rate. A debt consolidation loan is an installment loan with a fixed payment and payoff date. The loan can be steadier; the transfer can be cheaper if you pay it off during the promo.
How do I calculate my monthly payment for a balance transfer? Add the fee to the balance and divide by the number of promo months. For $5,000 with a 3% fee over 18 months, that's $5,150 divided by 18, or about $286 a month.
How do I track a balance transfer payoff? Write down the promo end date, the total with the fee and the monthly payment you need, then log each payment. The Debt Payoff Planner from HomeBase Paper Co. does this math for you and shows your payoff date.
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Sources
- CFPB: Credit cards key terms consumerfinance.gov
- CFPB: How long can I keep a low rate on a balance transfer? consumerfinance.gov
- CFPB: Do I pay interest on new purchases after a balance transfer? consumerfinance.gov