Credit Card Minimum Payment Calculator

What this credit card payoff calculator models

Enter your current balance, nominal APR and an explicit minimum-payment rule with its percentage and floor, or a fixed monthly payment. Valid edits update the projection immediately. Compare the first modeled payment, payoff duration, modeled interest and total paid. No account information or issuer selection is required.

The three rule choices are mathematical scenarios, not claims about any issuer. Check your card agreement or statement for your actual minimum-payment formula. Currency labels USD, EUR, GBP, CAD and AUD change formatting only; no conversion occurs. The example values are editable assumptions, not recommended payments.

Payoff time, declining minimums and totals

The same central engine calculates every month until payoff, a non-declining balance is detected, or 1,200 months have been calculated. A payment at or below modeled interest cannot reduce the balance under these fixed assumptions. That state is distinct from a declining balance that is not paid off within the 100-year horizon; neither receives a payoff date or complete payoff totals.

Under percentage rules, a declining balance may reduce later minimum payments until the floor controls. A percentage rule without a positive floor can continue for the entire modeling horizon. Total interest, total payments and total principal are sums of the actual calculated rows. At payoff, principal reconciles to the original balance within floating-point tolerance, and total paid equals principal plus interest. The original balance is not added to total paid a second time.

For incomplete projections, totals are labeled through the calculated months only, with remaining balance shown. Non-amortizing examples stop at the first non-declining month. These partial amounts are not presented as lifetime interest or payoff cost.

Extra payments, custom payment and target payoff

The +25, +50 and +100 comparisons recompute each scenario's own minimum from its current balance every month before adding the extra amount. They do not freeze the first minimum. In fixed mode, they add to that fixed amount. Complete payoff comparisons report modeled interest difference and whole months sooner. If the baseline is incomplete, no invalid payoff-total or time difference is calculated.

Custom monthly payment replaces the rule with a fixed amount. It is independent of the minimum formula and is not a custom extra amount. The same final-payment cap and non-amortization checks apply.

Pay off in accepts whole target months. A bounded binary search over integer cents finds the minimum fixed monthly payment that pays the balance by that month, using the same schedule engine. It verifies the answer and that one cent less fails when valid. The solver holds balance and APR constant, independent of the selected minimum rule; an answer above the supported payment bound is explicitly unavailable. This calculation does not recommend a payment.

Chart and monthly schedule

The native chart shows the baseline remaining balance from the central schedule, sampled to at most 121 points for drawing. The adjacent text table provides sampled balances. Sampling never changes payoff detection or totals.

The month-by-month schedule is collapsed initially. Up to 36 rows are shown: all rows for short schedules, otherwise the first 24 and last 12 with an explicit omitted-row count. All calculated months remain included in totals. Tables scroll within keyboard-focusable regions on small screens. Copy exports accepted summaries, not full rows; Print includes a useful sampled schedule summary.

Worked example

With $5,000 balance, 24.99% nominal APR, rule A at 3% of beginning balance and a $25 floor, monthly rate is 0.020825. Month 1 interest is $104.125 before display rounding; payment is $150; principal is $45.875; ending balance is $4,954.125.

Payoff occurs in month 252 (21 years, 0 months). Modeled interest is $10,060.93 and total paid $15,060.93. The final payment is $21.67, below the floor. Adding $25 to each month's recalculated minimum reaches payoff in 105 months; +$50 in 68 months; +$100 in 41 months. A 36-month target needs a modeled minimum fixed payment of $198.78; $198.77 fails by month 36.

Changing only the percentage to 2% gives a first payment of $100 against $104.125 interest. The balance increases to $5,004.125 and the model reports non-amortization. This illustrates why a selected formula may not reduce the entered balance; neither percentage is an issuer claim or recommendation.

Credit card minimum payment FAQ

How is the modeled minimum payment calculated?

Rule A takes the greater of beginning balance times the percentage and the floor. Rule B adds modeled monthly interest to that percentage amount before comparing with the floor. Rule C uses a fixed amount. Actual payment is capped at the amount owed.

Do all credit cards use the same minimum-payment formula?

No universal issuer formula is assumed here. The rule is an entered mathematical model. Check your card agreement or statement for account-specific terms; the CFPB agreement resource below provides general agreement information.

How does APR affect payoff time?

In this model, monthly interest equals beginning balance times nominal APR divided by 100 and 12. The effect on payoff depends on the selected rule: rule B adds that interest to its generated payment, while fixed or percentage-only payments may leave less principal reduction or stop reducing the balance.

Why can minimum payments take so long?

In the percentage scenarios, the payment can decline with balance until the floor takes over. Only the part exceeding modeled interest reduces principal. The displayed duration describes these entered assumptions, not every card or a guaranteed outcome.

What happens when the payment floor becomes larger than the percentage?

The floor controls the generated minimum in rules A and B when it exceeds the other formula amount. The final actual payment can still be smaller because it cannot exceed balance plus that month's interest. Fixed mode ignores the floor.

How do +$25, +$50 and +$100 scenarios work?

Each scenario calculates its own current-month minimum, then adds 25, 50 or 100 currency units before capping at amount owed. The label follows your selected currency. Fixed mode adds to the entered fixed payment. No complete baseline difference is shown when the baseline does not pay off.

What if my payment does not cover the modeled interest?

If it equals or falls below interest, the model detects a non-declining balance, stops and explains that the rule does not reduce this balance. That differs from horizon exhaustion, where a balance declines but remains after 1,200 months.

How does the target-payoff calculator work?

It searches fixed payments in one-cent increments for the smallest amount paying off by your target month. The central engine verifies that amount and that one cent less fails when valid. Zero APR, one-month targets and payment-bound failures are handled explicitly.

Why might my issuer's statement differ from this calculator?

The CFPB describes daily interest based on average daily balances as a common approach. This tool deliberately uses a simplified monthly rate and entered rule. Issuer formulas, daily timing, fees, multiple balance types, rounding and grace periods can make statements differ.

Does this calculator include new purchases, fees or changing APRs?

No. It assumes no new transactions, fees, rate changes or credits/refunds after the starting balance. It is an informational scenario, not debt advice, credit counseling or a payoff guarantee.

Sources, review and privacy

Reviewed September 27, 2026 against the implemented monthly model, source boundaries, validation and independent fixtures. This is an implementation review, not professional credit counseling or issuer verification.

The CFPB explanation of credit-card interest (opens in a new tab) supports the distinction between actual daily interest methods and this simplified monthly model. The CFPB credit-card agreement database (opens in a new tab) explains that published agreements contain general terms; account-specific information comes from the issuer. These sources do not endorse the calculator's rules, defaults or results.

Inputs remain in component memory. No Share, financial URLs, storage, accounts, analytics or calculation requests. Copy writes only after your action, with a manual fallback. Print uses the browser print function. Reset clears custom/target inputs, errors and Copy feedback, closes disclosures and focuses current balance.