Balance Transfers: Do the Math Before Moving Card Debt

Start with the amount that will land on the new card

Read whether the transfer fee is a percentage, a minimum dollar charge, or the greater of the two. Confirm the approved credit limit and the amount available for the transfer, including any fee added to the account.

In a hypothetical offer, transferring $3,000 with a 3% fee adds $90. If that fee is added to the balance, the starting total is $3,090. That calculation does not tell you whether the offer beats your existing repayment plan; it gives you the correct starting figure.

Sources: CFPB: Credit-card transfers and consolidation costs

Use the actual promotional deadline

Assume the full $3,090 qualifies for 0% interest and exactly fifteen equal payment opportunities remain before the promotion expires. Dividing by fifteen gives $206 per payment. This assumes no purchases, other fees, or changes to the terms.

Paying $150 each time would cover $2,250 and leave $840. A minimum payment is not a promise that the balance will be cleared by the deadline. Confirm when the promotional clock starts and the exact expiration date.

Check the treatment of new purchases

The transfer’s promotional rate does not necessarily apply to purchases. Carrying a transferred balance can also remove the normal purchase grace period, so a new purchase may accrue interest even when the transfer itself is at 0%.

Read how payments are allocated among balances and what happens if a payment is late. Avoid calculating the payoff plan as if every dollar goes toward the transfer when the account also contains purchases or cash advances.

Sources: CFPB: Purchase interest after a balance transfer

Verify both ends of the transfer

Keep making required payments on the old account until the transfer has posted and you have confirmed what remains due. Processing time, new charges, or accrued interest can leave an amount behind. A request confirmation is different from a completed payoff.

A true 0% APR promotion differs from a deferred-interest offer that can charge previously accrued interest if its conditions are not met. Read the actual agreement, including the post-promotion APR, and make a plan for any balance that would remain.

1. Add transfer fees to the repayment calculation.
2. Count payments before the exact expiration date.
3. Check purchase interest and payment allocation.
4. Confirm the old account’s payoff and track the new balance.

Sources: CFPB: Understanding promotional card financing · CFPB: Credit-card transfers and consolidation costs