Is a balance transfer worth it?
A balance transfer is usually worth it when three things line up: your current card’s APR is high enough that the interest you avoid outweighs the fee, the 0% period is long enough for you to pay off most or all of the balance, and you can stop adding new charges to the debt. If your current APR is low, the promo is short, or you can only make small payments, the savings may be small or the transfer may cost more.
This guide walks through each factor and shows how the answer changes with your current APR.
The four numbers that decide it
- Your current APR. This sets how much interest a transfer would let you avoid each month. The higher it is, the more a transfer can save.
- The transfer fee. A one-time cost added to the balance. It has to be earned back before the transfer saves anything.
- The length of the 0% period. The longer it is, the more months of interest you avoid, and the more time you have to pay down the balance.
- Your monthly payment. This decides whether you finish paying during the promo or carry a balance into the post-promo APR.
The post-promo APR matters too, but only for whatever is left when the 0% period ends. If you can pay off the balance in time, it does not affect the result.
Can you pay it off during the promo?
A quick check: divide the transferred balance plus the fee by the number of promo months. If you can pay that much each month, you can clear the debt before interest starts. If not, the transfer can still save money, but part of the balance will be charged the post-promo rate. Our guide on what happens when the 0% period ends shows the effect.
The habit question
A transfer only saves money if the debt stops growing. If the old card keeps getting new charges, or the new card is used for purchases that are not paid in full, you can end up with more debt than you started with. Many people put the old card away, or keep it open but unused, while they pay down the transferred balance.
New purchases on the transfer card may be charged a different APR from the transferred balance, and the card’s terms explain how payments are split between balances with different rates. Read them before you use the card for anything else.
Approval and credit limits
A transfer depends on being approved for the new card and on the credit limit you receive. The issuer decides both, and the limit may be lower than the balance you want to move. If only part of the balance fits, run the calculator with the amount you can actually transfer. Applying for a new card usually involves a credit check.
Worked example: the same transfer, two current APRs
For example, suppose you want to move a hypothetical $4,000 balance to a card with a 3% fee, an 18-month 0% period, and a 26% APR afterwards, and you pay $250 a month. The fee is $120.00, so the new balance starts at $4,120.00. Using the same math as our calculator:
| Current card at 24% | Current card at 9% | |
|---|---|---|
| Interest if you stay | $869.45 | $277.17 |
| Interest after transfer | $0.00 | $0.00 |
| Net savings after the fee | $749.45 | $157.17 |
| Breakeven | Month 2 | Month 5 |
At $250 a month, the transferred balance would be paid off in 17 months, inside the promo, so no interest is charged on the new card. If your current card charges 24%, the transfer would save $749.45 after the fee and break even in Month 2. At 9%, it still saves money, but only $157.17, and breakeven takes until Month 5. With a lower APR or a smaller payment, the result can tip into costing more.
Common questions
Is a balance transfer worth it for a small balance?
It can be, but a small balance means a small amount of interest to avoid, so the fee takes up a bigger share. Run the numbers, including any minimum fee.
Does a balance transfer hurt my credit?
Applying usually means a credit check, and a new account can affect your score for a while. Paying down the balance can help over time. Effects vary from person to person.
The takeaway
A balance transfer is most likely to be worth it when your current APR is high, the 0% period is long enough to pay off most of the balance, and you stop adding to the debt. If your APR is low or you can only pay a little each month, check the net savings after the fee before you apply. Approval and your credit limit are up to the issuer.
This guide is educational only and is not financial, tax, or legal advice. The example uses hypothetical numbers; your lender or card issuer sets your actual terms. See how our calculators work.
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