Credit Card Payoff Calculator

Model one credit-card balance with a fixed monthly payment or target payoff period. See total interest, estimated payoff date, extra-payment savings, minimum-payment comparisons, a balance chart, and a month-by-month schedule.

Additional

Payoff details

Extra each month

First payment dateInterest calculation

Minimum-payment comparison

Minimum-payment model

Balance percentage

Minimum floor

How to Use the Credit Card Payoff Calculator

Enter the balance you want to model and the APR that applies to that balance.

Choose Monthly payment if you already know what you can pay each billing cycle. Choose Payoff timeline if you want the calculator to solve for the payment needed to clear the balance within a chosen number of months.

Open Additional to test an extra monthly payment, add a first payment date, change the interest approximation, or adjust the modeled minimum-payment rule.

The result shows payoff time, total interest, total paid, an estimated payoff date when a start date is supplied, and the detailed repayment schedule.

**Choose the payoff mode**
Mode	You enter	Calculator returns
Monthly payment	The payment you expect to make each billing cycle	Payoff time, payoff date, total interest, total paid, and an optional extra-payment comparison
Payoff timeline	The number of months in which you want the balance cleared	The modeled level payment required to meet that timeline

How Long Will It Take to Pay Off a Credit Card?

Payoff time depends mainly on the starting balance, APR, and how much of each payment reaches principal after interest.

With a fixed payment, the calculator repeats the same modeled billing cycle until the balance reaches zero. As the balance falls, the interest charge normally falls too, so more of the same payment reaches principal.

A payment that is only slightly above the interest charge can produce a very long payoff. A larger fixed payment reduces principal sooner and leaves less balance available for future interest to accumulate.

Why an Extra Monthly Payment Can Save More Than the Extra Amount

An extra payment does not only reduce this month's balance. It also reduces the balance used to calculate later interest, which can shorten the schedule and lower interest again in later months.

The calculator keeps the original monthly payment as the base plan and compares it with the same plan plus the extra amount. This makes the reported interest saved and months saved directly comparable.

The example below uses a $5,000 balance at 18.9% APR with the calculator's daily-rate approximation. The first payment date changes the calendar payoff date, but not these payoff durations or interest totals.

**What extra monthly payments change on a $5,000 balance at 18.9% APR**Example uses the daily-rate approximation and no new charges or fees.
Plan	Modeled payment	Payoff time	Total interest	Versus base
$200 per month	$200	33 months	$1,421.50	Base plan
$200 + $25 extra	$225	28 months	$1,216.11	5 months and $205.39 saved
$200 + $50 extra	$250	25 months	$1,064.17	8 months and $357.33 saved
$200 + $100 extra	$300	20 months	$854.56	13 months and $566.94 saved

Payoff Time Versus Payoff Date

Payoff time tells you how many modeled billing cycles the plan takes. Payoff date places those cycles on a calendar.

When you enter a first payment date, each schedule row receives a payment date and the final row becomes the estimated payoff date.

The date is a planning estimate. A real card statement can use a different due date, billing-cycle length, payment-posting time, or interest method.

Monthly Payment Versus Target Payoff Timeline

Monthly-payment mode answers: if I keep paying this amount, how long does payoff take and how much interest is modeled?

Payoff-timeline mode answers the reverse question: what level payment would clear this balance within the number of months I choose?

Timeline mode solves the standard level-payment equation, rounds the result up to the nearest cent, and then verifies the payment with the same schedule engine used for fixed-payment plans.

How Credit Card APR Becomes Interest

Credit-card rates are normally quoted as an annual percentage rate, but interest can accrue over much shorter periods.

The Daily-rate approximation divides APR by 365 and compounds that rate over an average month. The Monthly APR approximation simply divides APR by 12.

Many issuers calculate interest from daily or average daily balances. Exact statement interest can still differ because the issuer knows the actual balance on each day, actual billing-cycle length, payment and transaction dates, grace-period treatment, fees, and the APR attached to each balance category.

Why Your Statement Can Show a Different Interest Charge

One credit-card account can carry different APRs for purchases, cash advances, balance transfers, checks, or promotional balances.

Payments and purchases also change the balance during a billing cycle. A model that starts with one balance and applies one payment per cycle cannot recreate every daily balance on a live account.

Use the statement and card agreement for the actual balance, APR categories, minimum due, fees, and interest charged. Use this calculator to test a transparent payoff scenario.

**Calculator model versus a real card statement**
Area	Calculator model	What may differ
Interest	Either a daily-rate approximation over an average month or APR divided by 12	An issuer may use actual daily balances, actual cycle length, transaction dates, grace-period rules, and several APR categories
Payments	One modeled payment after interest in each billing cycle	Actual payment timing can change the daily balance and therefore the interest charged
Minimum payment	An editable percentage-and-floor or interest-plus-percentage rule	Issuer formulas can include fees, past-due amounts, rounding rules, and other adjustments
Account activity	No new purchases, cash advances, balance transfers, fees, missed payments, or APR changes	Any new activity can change the balance, payoff time, interest, and minimum due

Why Minimum Payments Can Keep a Balance Around for Years

A percentage-based minimum often becomes smaller as the balance declines. That can leave less money going toward principal even though the account is still charging interest.

The calculator can model either the greater of a flat floor or a percentage of the balance after modeled interest, or the greater of a flat floor or modeled interest plus a percentage of beginning principal.

These are simplified rules. Minimum-payment formulas vary by issuer and jurisdiction, so the comparison is useful for seeing the mathematical effect of a declining payment rather than reproducing a specific statement.

What the Three-Year Payment Box on a U.S. Statement Means

U.S. credit-card periodic statements are subject to repayment-disclosure rules that generally show the consequences of making only the minimum payment and, when applicable, information about repaying the balance in 36 months.

That disclosure is calculated under regulatory assumptions using the issuer's account information. It can differ from this calculator even when the starting balance looks similar.

The payoff-timeline mode can model a 36-month target, but it is not a substitute for the statement disclosure.

How to Read the Payoff Schedule

Each row starts with the balance for that modeled billing cycle, adds interest, applies the payment, and separates the payment into interest and principal.

Cumulative interest shows how much interest the model has charged up to that point. The remaining balance shows how much is carried into the next cycle.

When a first payment date is entered, the CSV and on-page schedule also identify the modeled calendar date for each payment.

**What each payoff result means**
Result	Meaning
Estimated payoff time	Number of modeled billing cycles needed to clear the selected balance
Payoff date	Estimated final payment month when a first payment date is supplied
Total interest	Sum of modeled interest charges across the selected payoff plan
Total amount paid	Starting balance plus modeled interest
Interest and time saved	Difference between the base monthly payment and the same plan with an extra monthly amount

What This Calculator Intentionally Does Not Model

The calculator assumes the card stops receiving new charges and that one APR applies to the full modeled balance.

It does not model annual fees, late fees, missed payments, penalty rates, promotional-rate expirations, balance-transfer fees, cash advances, grace-period changes, or payment allocation across several APR categories.

If the payment you can afford is below the required minimum or you are already missing payments, contact the card issuer promptly and look for qualified debt-help resources available in your jurisdiction rather than relying on a payoff projection alone.

Credit Card Payoff Formulas

The calculator derives one modeled periodic rate, applies interest to the beginning balance, applies the selected payment, and repeats until the balance reaches zero.

Monthly APR approximation

r_{m} = \frac{A P R}{12}

Daily-rate approximation over an average month

r_{m} = (1 + \frac{A P R}{365})^{365.2425/12} - 1

Modeled interest

I_{t} = B_{t - 1} r_{m}

Payment with an extra amount

P_{selected} = P_{base} + E

Principal paid

Q_{t} = P_{t} - I_{t}

Remaining balance

B_{t} = B_{t - 1} + I_{t} - P_{t}

Payment for a target period

P = \frac{B r _{m}}{1 - ( 1 + r _{m} ) ^{- n}}

Interest saved with extra payments

I_{saved} = I_{base} - I_{selected}

$A P R$: Annual percentage rate written as a decimal
$r_{m}$: Modeled periodic interest rate
$B_{t - 1}$: Balance at the beginning of the modeled billing cycle
$I_{t}$: Modeled interest for cycle t
$P_{t}$: Payment applied in cycle t
$P_{ma t h r m ba se}$: Entered base monthly payment
$E$: Optional extra monthly payment
$Q_{t}$: Payment applied to principal
$B$: Starting balance
$n$: Target number of months

Examples

Pay $200 per month on a $5,000 balance

Balance: $5,000; APR: 18.9%; monthly payment: $200; daily-rate approximation; first payment: October 1, 2026.

The modeled payoff takes 33 months. Total interest is $1,421.50, total paid is $6,421.50, and the estimated final payment date is June 1, 2029.

The final modeled payment is $21.50.

Add $50 to the same monthly payment

Use the same $5,000 balance and 18.9% APR, but add $50 each month to the $200 base payment.

The modeled payment becomes $250. Payoff falls to 25 months and total interest falls to $1,064.17.

That is 8 months sooner and $357.33 less interest than the $200 base plan. With the same first payment date, the payoff moves from June 2029 to October 2028.

Add $100 per month

Use the same base scenario and add $100 each month.

The modeled payment becomes $300. Payoff takes 20 months and total interest is $854.56.

Compared with the $200 base plan, the model saves 13 months and $566.94 of interest.

Pay off $8,000 within two years

Balance: $8,000; APR: 20%; target payoff period: 24 months; daily-rate approximation; first payment: October 1, 2026.

The required modeled payment is $407.86 per month. Total modeled interest is $1,788.43 and the final payment date is September 1, 2028.

The final payment is slightly smaller at $407.65 because the calculated level payment is rounded up to the nearest cent.

Compare a declining minimum payment

Choose the greater of a flat minimum or a percentage of the modeled balance.

The calculator builds a separate minimum-payment schedule and compares its payoff time and interest with the selected fixed-payment plan.

This is a simplified comparison rule, not a reproduction of any issuer's statement formula.

Frequently Asked Questions

How long will it take to pay off my credit card?

Enter the balance, APR, and monthly payment. The calculator models one billing cycle at a time until the balance reaches zero, then reports the number of months and, if you entered a first payment date, an estimated payoff date.

How much should I pay to clear a card in a certain number of months?

Choose Payoff timeline and enter the target number of months. The calculator solves for a level payment, rounds it up to the nearest cent, and verifies it through the payoff schedule.

What does the extra monthly payment do?

It is added to the base monthly payment in Monthly payment mode. The calculator separately runs the base plan so it can show the modeled interest and time saved by the extra amount.

Does an extra payment change the target-timeline calculation?

No. Extra monthly payment is used only in Monthly payment mode. Target-timeline mode calculates the level payment required for the selected number of months.

How is the payoff date calculated?

When you enter a first payment date, the calculator assigns one payment date to each modeled monthly cycle. The date on the final schedule row is the estimated payoff date.

Why does my statement show a different amount of interest?

Your issuer may calculate from actual daily balances, actual cycle length, payment and purchase dates, fees, grace-period rules, and several APR categories. This calculator uses one simplified balance and one APR.

Should I use the daily-rate or monthly APR approximation?

The daily-rate option is closer to a common daily periodic-rate structure, but it still models an average month rather than your exact daily account history. APR divided by 12 is a simpler monthly approximation.

Why must the base monthly payment exceed the first modeled interest charge?

If the base payment does not initially exceed modeled interest, the base plan does not reduce principal. The calculator therefore rejects that fixed-payment plan.

Why can minimum payments take so long?

A percentage-based minimum can fall as the balance falls. That can leave progressively less money reducing principal and stretch the payoff period even while payments continue.

Does the minimum-payment comparison reproduce my actual minimum due?

No. It supports two editable simplified rules. Your card agreement and statement determine the actual minimum-payment formula and amount due.

Can I use this for several credit cards at once?

No. The calculator models one balance and one APR at a time. Cards with different rates should be modeled separately.

Does the calculator include new purchases, balance transfers, or fees?

No. The model assumes no new account activity. New purchases, cash advances, transfers, fees, missed payments, or rate changes can materially change the real payoff.

What if one card balance has several APRs?

A single-rate model cannot reproduce that account accurately. Statements may separate purchases, cash advances, balance transfers, and promotional balances by APR.

Can I export the full payoff schedule?

Yes. The on-page schedule is paginated, while CSV export includes every modeled billing cycle and its payment date when a first payment date was entered.