Balance Transfer: The Complete Guide | Save Thousands on Interest

A balance transfer can save you thousands in interest and help you pay off debt faster. By moving your existing credit card debt to a new card with a 0% intro APR, you can stop interest from accumulating — sometimes for up to 21 months.

Potential Savings: On a $5,000 balance at 22% APR, a balance transfer to 0% for 18 months could save you $1,500+ in interest — even after the transfer fee.

What is a Balance Transfer?

A balance transfer moves debt from one credit card to another — usually a new card offering a 0% introductory APR for a promotional period. During this time, you pay no interest on the transferred balance, allowing every payment to reduce your principal.

How Balance Transfers Work

Apply for a balance transfer card — Look for cards offering 0% APR for 15-21 months with a reasonable transfer fee (typically 3-5%).
Request the transfer — Provide your old card details and the amount to transfer. The new card issuer pays off your old card directly.
Pay off during the promo period — Divide your balance by the number of 0% months to calculate your monthly payment goal.
Avoid new purchases — Many cards charge interest on purchases while carrying a transferred balance.

Balance Transfer Fees: Do the Math

Most balance transfer cards charge a fee of 3-5% of the transferred amount. On a $5,000 transfer:

3% fee = $150
4% fee = $200
5% fee = $250

Compare this to the interest you'd pay without transferring. At 22% APR on $5,000, you'd pay roughly $90+ per month in interest alone. The 3% fee pays for itself in less than two months.

Calculate Your Interest Savings

See exactly how much you're paying in interest each month — and how much a balance transfer could save.

Use the Calculator →

Pros and Cons of Balance Transfers

✓ Pros

Stop paying interest for 12-21 months
Simplify multiple debts into one payment
Fixed payoff timeline with 0%
Often includes 0% on purchases too

✗ Cons

Balance transfer fee (3-5%)
High APR after promo ends
Requires good credit to qualify
Temptation to accumulate more debt

When a Balance Transfer Makes Sense

A balance transfer is a smart choice when:

You have a plan to pay it off — You can realistically pay the balance before the promo ends
Your credit is good enough — Most 0% cards require scores of 670+
You won't add new debt — You're committed to paying down, not spending more
The math works out — Transfer fee is less than interest you'd pay otherwise

When to Avoid Balance Transfers

Think twice if: You can't pay off the balance before the promo ends. Post-promo APRs of 20%+ can erase your savings quickly. Some cards even apply deferred interest, charging back interest on the original transfer if not fully paid.

Balance Transfer Best Practices

Calculate Your Monthly Payment

Divide your total balance by the number of 0% months. For $5,000 over 18 months:

$5,000 ÷ 18 = $278/month

Pay at least this amount every month to be debt-free before interest kicks in.

Set Up Autopay

Missing a payment can void your 0% offer at some issuers. Set up automatic payments for at least the minimum to protect yourself.

Don't Use the New Card

Many balance transfer cards apply payments to the transferred balance first. New purchases might accrue interest at the regular APR while you have a transfer balance.

Mark Your Calendar

Know exactly when your 0% period ends. Some people set a reminder 2 months before to either pay off the remaining balance or consider another transfer.

Key Takeaways

Balance transfers can save thousands by eliminating interest temporarily
Transfer fees (3-5%) are usually worth it if you'd pay more in interest
Have a payoff plan before you transfer
Avoid new purchases on the transfer card
Good credit (670+) is typically required for the best offers