Key Takeaways
- A balance transfer can be completed in as little as 7–14 days from approval
- You need the account details of the debt you're transferring — not the new card details
- Most cards require you to complete the transfer within 60–120 days of opening to get the 0% rate
- Keep making minimum payments on your old card until the transfer is confirmed complete
- Once transferred, divide the balance by the intro period months — that's your monthly target payment
A balance transfer sounds complicated — but the actual process is surprisingly straightforward once you know the steps. In most cases, the new card issuer does the heavy lifting. You provide the details of the debt you want to move, they contact your existing lender and arrange the transfer. Your job is mainly to make the right decisions before and after.
This guide walks through every step from start to finish, including the common mistakes that catch people out.
The Complete Balance Transfer Process
Check Your Credit Score First
The best 0% balance transfer offers — 15 months or longer — typically require good to excellent credit (670+ FICO). Before applying, check your score for free using Credit Karma, Experian, or your existing card issuer's app. This costs you nothing and tells you which cards you're likely to qualify for.
If your score is below 670, you may still qualify for some balance transfer cards — but the intro period will likely be shorter and the transfer fee may be higher. It can still be worth doing.
Calculate Whether It's Worth It
Before applying for any card, do the maths. You need to know three things:
- Your current balance and APR
- The transfer fee on the new card (typically 3–5%)
- Whether you can realistically clear the balance within the intro period
Use our Balance Transfer calculator to see your exact saving after the fee. In almost all cases where you're paying 18%+ APR, a balance transfer saves significant money — but it's worth confirming with your real numbers.
Choose and Apply for the Right Card
Compare balance transfer cards on three factors: length of the 0% period, size of the transfer fee, and the standard APR once the intro period ends. See our Best Balance Transfer Cards guide for current top picks.
Apply online — the process takes around 10 minutes. You'll need your personal details, income information, and the details of the debt you want to transfer (account number and issuer name). Some cards ask for transfer details during the application; others ask after approval.
Wait for Approval and Your New Card
Many issuers give an instant decision online. Others take 7–10 business days to review and respond by post. Once approved, your physical card typically arrives within 7–10 days. You'll usually receive your account number before the card arrives — which is all you need to initiate a transfer online or by phone.
Request the Balance Transfer — Act Quickly
This is the most time-sensitive step. Most cards require you to complete the transfer within 60–120 days of account opening to qualify for the 0% introductory rate. Transfers requested after this window are charged the standard APR immediately.
You can usually request a transfer in three ways:
- Online — log into your new card account and find the balance transfer section
- By phone — call the number on the back of your new card
- During the application — if you provided transfer details when you applied, the issuer may initiate it automatically
You'll need to provide: the name of your existing lender, your account number with them, and the amount you want to transfer. You can transfer up to your approved credit limit minus any fees.
Keep Paying Your Old Card Until Transfer Completes
This is where many people get caught out. The transfer takes 7–14 business days to complete. During this time, your old balance still exists and interest is still accruing on it. Continue making at least the minimum payment on your old card until you receive written confirmation that the transfer is complete and the balance shows as zero.
Stopping payments prematurely risks a late payment mark on your credit report — damaging the score you just used to qualify for the transfer.
Confirm the Transfer is Complete
Check both accounts online. Your old card should show a zero balance (or reduced balance if you transferred only part of it). Your new card should show the transferred amount plus the transfer fee. If after 14 business days the transfer hasn't appeared, call your new card issuer to chase it.
Set Your Payoff Plan and Stick to It
This is the most important step of all — and the one that determines whether the whole exercise was worth it. Divide your transferred balance by the number of months in the 0% intro period. That's your monthly payment target to clear the debt entirely before interest kicks in.
Set up autopay for this amount immediately. Don't wait, don't rely on memory. The 0% clock is ticking from the moment the transfer completes.
Balance Transfer Checklist
Common Balance Transfer Mistakes to Avoid
Missing the transfer window
The most costly mistake. If you apply for a 0% card and then wait three months to actually request the transfer, you may find the window has closed. Request the transfer as soon as your new card is approved — ideally the same week.
Using the new card for purchases
If your new card offers 0% only on balance transfers (not purchases), any new spending accrues interest at the standard rate from day one. Worse, payments above the minimum are applied to the 0% balance first, leaving your purchases accumulating interest unchecked. Only use the new card for purchases if it explicitly covers purchases with the 0% intro rate too.
Closing the old card immediately
Once your balance transfers, it's tempting to close the old card. Resist this for now. Closing a card reduces your total available credit, which increases your overall utilisation ratio and can temporarily lower your score. Keep it open with a zero balance — or use it for one small recurring purchase each month to keep it active.
Missing the payoff target
If you don't clear the full balance before the intro period ends, the remaining amount immediately starts accruing interest at the card's standard APR — often 20–27%. Set a calendar alert 30 days before your intro period ends. If you won't clear it in time, explore whether another balance transfer is an option before the rate reverts.
Most card issuers will not allow you to transfer a balance from one of their own cards to another. For example, you cannot transfer a Chase balance to another Chase card. You can only transfer between cards from different issuers.
Transferred balance ÷ intro months = your monthly payment. On a $3,600 balance with an 18-month 0% period, that's $200 per month. Set autopay for exactly this amount and you'll be debt-free with zero interest paid beyond the transfer fee.