Debt strategy calculator

Credit Card Payoff Calculator – How Fast Can You Be Debt-Free?

Estimate how long it will take to eliminate a credit card balance and how much interest you could save by increasing your monthly payment.

How this credit card payoff calculator helps

This calculator shows the payoff timeline for a single card using a fixed APR and a planned monthly payment. It compares a faster-payment plan and can test whether a promotional balance transfer would reduce your estimated cost.

Formula: The model applies the monthly interest rate to the remaining balance and subtracts your payment until the balance reaches zero.

Assumptions: The current-card estimate assumes a fixed APR and no new charges. The optional transfer estimate applies the promotional APR for the months entered, then returns to the current APR; it includes the one-time transfer fee and assumes no missed payments or new charges.

Worked example: A $4,800 balance at 22.5% APR with a $240 monthly payment reaches zero in about 28 months and costs roughly $1,273 in interest.

  • Current balance: What you still owe on the card today.
  • APR: Annual percentage rate charged on the card balance.
  • Monthly payment: The monthly amount you plan to pay until the card is cleared.
  • Payoff time: Estimated time until the balance is fully paid.
$
%
$

Optional balance-transfer offer: enter all three details from an offer to compare its cost with keeping the balance on this card.

%
months
%

What the result means

The payoff estimate shows how long the balance will last under your current balance, interest rate, and monthly payment. It is a helpful planning estimate, but it does not account for future purchases, annual fees, or promotional APR periods.

Related calculators

Debt payoff calculator for a multi-account payoff strategy, Budget planner for building a monthly plan that frees up extra payments.

Frequently asked questions

  • What if I add new charges? New purchases increase the balance and can extend the payoff timeline, so the calculation works best when spending is paused or reduced.
  • How do I decide if a balance transfer is worthwhile? Compare the fee plus projected interest with the interest under your current APR, and confirm the promotional period and post-promo terms with the card issuer.
  • Does this estimate minimum payments? No. It assumes a fixed payment that you choose, which makes it easier to compare payoff strategies.

Last updated: 2026-10-09. This calculator is meant for planning and should be reviewed alongside your card agreement and payment schedule.

Why the minimum payment trap costs so much

Credit card interest compounds daily on many cards, so paying only the minimum can stretch a balance out for years and multiply the total interest paid several times over. Even a modest extra payment each month can cut years off the payoff timeline because more of each payment goes toward principal instead of interest.

If you're juggling multiple cards, the avalanche method, paying extra toward the highest-APR balance first, saves the most money overall, while the snowball method, paying off the smallest balance first, can build momentum if motivation is the bigger obstacle.

  • Watch for promotional rates expiring: A 0% intro APR that resets to a high standard rate can undo months of progress.
  • Stop new charges while paying down: New spending on the card offsets the extra payments you're making.
  • Consider a balance transfer: A lower-rate transfer card can accelerate payoff if the transfer fee is smaller than the interest saved.

Creator & reviewers

Creator persona

Reviewer personas

These names are pseudonymous editorial personas used to organize Northstar's work, not separate verified contributors. Reviewer assignments describe editorial responsibilities, not completed independent reviews or professional credentials. About our editorial personas.