Credit card payoff calculator guide
Credit card minimum payments often decline with the balance. If the borrower pays only each new minimum, repayment can stretch considerably. This calculator instead preserves the starting minimum-payment budget and adds the entered extra amount.
Choose highest-APR-first to emphasize interest or smallest-balance-first to emphasize early account payoffs.
How to use this credit card payoff calculator
- Enter every card: Use statement balance and APR.
- Enter minimum terms: Use issuer percentage and dollar floor.
- Set extra payment: Choose a stable amount beyond starting minimums.
- Choose priority: Select avalanche or snowball.
- Stop new charges: The projection assumes no added purchases or fees.
Formula and variables
Interest is added monthly, calculated minimums are paid and the remaining constant budget targets the selected priority.
Card minimum = greater of balance × minimum % or minimum dollar floor- APR — Annual percentage rate
- Converted to a monthly rate.
- Budget — Starting minimums plus extra
- Held constant in the projection.
Worked example: paying more than the minimum
A $5,000 card at 22% has a 2% minimum with a $25 floor and $100 extra.
- Balance
- $5,000
- APR
- 22%
- Extra
- $100/month
- Calculate monthly interest.
- Determine the contractual modeled minimum.
- Maintain the starting budget as the minimum later declines.
Result: A fixed payoff budget reaches zero sooner than following declining minimums
Issuer formulas and compounding conventions can differ.
Understanding your results
Debt-free time
Months until modeled balances reach zero.
Total interest
Monthly finance charges accumulated during payoff.
Payoff order
Sequence produced by selected strategy.
Assumptions
- No new charges, fees or rate changes.
- Starting budget stays constant.
- Payments are on time.
Limitations
- Daily balance methods and statement cycles are simplified.
- Promotional expirations are not modeled.
- Issuer minimum formulas vary.
Common mistakes
- Paying only declining minimums.
- Continuing new purchases.
- Ignoring promotional expiration dates.
- Missing payments on non-target cards.
- Reducing the budget after a payoff.
Practical use cases
Estimate payoff time
Turn statement terms into a projection.
Compare payoff priorities
Choose interest-focused or balance-focused ordering.
Planning and decision guide
Minimum payment is not a payoff target
It is a required amount determined by the issuer. Maintaining a higher fixed budget can materially change time and interest.
Promotional APRs need separate scenarios
A single-rate model cannot represent a future expiration. Run the current and post-promotion rates and plan for transfer fees and deadlines.
Ask for help before default
If required payments are unaffordable, contact issuers promptly and consider reputable nonprofit credit counseling.
Frequently asked questions
How long will it take to pay off my card?
It depends on balance, APR, minimum formula, added payment and whether new charges stop.
Why hold the starting minimum budget constant?
It prevents the payoff amount from shrinking as issuer minimums decline.
Which payoff strategy is better?
Avalanche generally lowers interest; snowball may provide earlier account closures.
Should I include a 0% card?
Yes, but model the expiration and later APR separately.
Sources and review
- Credit card interest calculator — Consumer Financial Protection Bureau. Accessed 2026-07-10.
Reviewed 2026-07-10.