Fixed-term payoff estimate

Credit Card Calculator

Estimate the monthly payment needed to pay a card balance over a chosen number of years at a fixed annual rate.

Balance and payoff assumptions

Enter the card balance, APR, and term

Card payoff
$
%
Yrs
Payoff summary

Monthly payment and interest

Your credit-card payoff estimate will appear here

Enter the current balance, annual interest rate, and desired payoff duration.

What This Calculator Shows

Use this credit card calculator to estimate the monthly payment, total interest and total repayment needed to clear a balance within your chosen payoff time.

A card statement tells you what you owe today. It may be less clear what you would need to pay each month to be finished in two or three years. This calculator helps you work back from that goal. Enter a balance, an annual rate and a repayment period to see an estimated payment and the interest that comes with it.

The estimate assumes the rate stays the same, you make every payment and you stop adding charges. It gives you a plan to compare with your budget and your statement. It does not calculate the issuer’s minimum payment or arrange a payment on your account.

Using the Credit Card Calculator

  1. Enter your Current card balance. Use the dollar amount you want to repay, rather than your credit limit or the minimum amount due. A recent statement is a useful starting point. Include transactions made since that statement if they are part of the balance you intend to clear.
  2. Enter the Annual interest rate. Credit card interest rates are usually stated as an annual percentage rate, or APR. Use the rate applying to the balance you entered. Type 20 for 20%, not 0.20.
  3. Choose your Desired payoff time in years. Enter 3 for 36 months, 2 for 24 months, 1.5 for 18 months or 0.5 for six months. Choose a term that turns into a whole number of monthly payments.
  4. Select Estimate card payoff. Read the monthly payment first, then check total interest and total repaid. The chart shows how much of the total is your starting balance and how much is estimated interest.
  5. Try another realistic deadline. Keep the balance and rate the same while changing the term. This shows what a faster payoff would require each month and how much interest it could avoid under the same assumptions.

The example numbers in empty fields are placeholders. Enter your own values before calculating. A zero balance and a zero rate are accepted, but the payoff time must be greater than zero.

How Your Payment Is Calculated

The calculator first turns your annual rate and repayment period into monthly values. Let B be your current balance in dollars, a your annual interest rate as a percentage, r the monthly rate and n the number of monthly payments.

r = a ÷ 100 ÷ 12

n = desired payoff years × 12

Find the monthly payment that clears the balance

M = B × r ÷ [1 − (1 + r)−n]

M is the equal monthly payment. This formula is called amortization. Each payment covers the month’s interest and pays down part of the balance. As the balance falls, less of the next payment is needed for interest and more goes toward the debt itself.

See what happens inside each payment

Starting with the current balance, the same idea repeats each month:

  1. Calculate interest: monthly interest = remaining balance × r.
  2. Find the part repaying debt: principal repaid = M − monthly interest.
  3. Update the balance: next balance = remaining balance − principal repaid.

This breakdown explains how the formula works. The tool calculates the payment directly and does not display a separate payment schedule.

Add up interest and repayment

total interest = M × n − B

total repaid = B + total interest

The calculation keeps the payment unrounded until it works out total interest. The results are then displayed in dollars and cents. Multiplying the rounded monthly payment by the number of months may give a slightly different total.

Use a simpler formula when interest is zero

when a = 0, M = B ÷ n

There is no interest to add in this case. The balance is shared equally across the selected months. A real final payment may need a small adjustment when the balance does not divide evenly into cents.

Understanding Inputs and Results

Current card balance
The amount you want to repay. The calculator assumes you add no new purchases or fees after this starting point.
Annual interest rate
The APR applying to the balance, entered as a percentage. The model keeps it unchanged for the full repayment period.
Desired payoff time
Your repayment goal in years. For example, 1.5 years means 18 monthly payments. This is a duration, not a calendar date.
Monthly rate and payment count
The annual percentage is divided by 100 and then by 12. The term in years is multiplied by 12. These values are calculated for you.
Required monthly payment
The equal payment needed to reach your chosen goal under the model. It is different from an issuer’s minimum amount due.
Estimated total interest
The interest paid over the selected term. It does not include late fees, annual fees or charges on new purchases.
Estimated total repaid
The starting balance plus estimated interest. This is also the total shown in the center of the chart.
Payoff duration and Starting balance
The term displayed in months and the original balance repeated for reference. These help you check that the result uses the plan you intended.

Credit Card Repayment Example

Suppose you owe $10,000 on a card with a 20% annual interest rate. You want to repay it over three years without adding any purchases. Enter 10,000 as the balance, 20 as the rate and 3 as the payoff time.

Step 1: Convert the rate and term

r = 20 ÷ 100 ÷ 12 = 0.016666666…

n = 3 × 12 = 36 payments

Step 2: Work out the payment

M = 10,000 × 0.016666666… ÷ [1 − (1.016666666…)−36]

The unrounded result is $371.635833… . The calculator therefore displays $371.64 per month. In the first modeled month, about $166.67 covers interest and $204.97 reduces the balance. More of each later payment goes toward principal as the balance gets smaller.

Step 3: Work out the interest and total repaid

total interest = $371.635833… × 36 − $10,000 = $3,378.89 rounded

total repaid = $10,000 + $3,378.89 = $13,378.89

Compare that with finishing in two years

Same $10,000 balance and 20% rate, with no added charges
MeasureThree yearsTwo years
Monthly payment$371.64$508.96
Payoff duration36 months24 months
Total interest$3,378.89$2,214.99
Total repaid$13,378.89$12,214.99

The faster plan needs about $137.32 more each month. In return, it ends a year earlier and reduces modeled interest by $1,163.90. The result gives you a concrete tradeoff to weigh against your budget, rather than simply saying that paying more is better.

A quick check with no interest

For a $1,200 balance at 0% over six months, enter 0.5 years. The calculation is M = $1,200 ÷ 6 = $200 per month. Total interest is $0 and total repaid is $1,200. Any transfer fee or later rate change would need a separate check.

Minimum Payments and Payoff Goals

Your minimum payment is the amount your issuer requires for that statement. A payoff target answers a different question: how much would you need to pay each month to clear the current balance by a date you choose?

The minimum can change as your balance and account charges change. If you reduce your payment every time the minimum falls, you are no longer following the fixed payment plan shown here. The calculator assumes you keep paying the same modeled amount until the balance is cleared.

Compare the result with your statement

Check the actual minimum amount due and payment due date before using a target. This tool has no minimum payment rule, so it can produce a target below the amount your issuer currently requires. The statement still controls what you owe for that billing period.

Your statement may also show an amount intended to repay the current balance over 36 months. That is useful context for a three year comparison. Like this calculator, that estimate assumes no new charges. The issuer may use different interest and payment rules, so the two amounts need not match exactly.

Choosing a Payment That Fits

Start with the amount you can repeat each month

A payment plan is useful only if it fits alongside your other obligations. Compare Required monthly payment with the money available after essential expenses and other required payments. You may find that a slightly longer term is easier to maintain, even though its estimated interest is higher.

If you already know the amount you can pay, use the Credit Card Payoff Calculator to estimate the time that payment may need. This page works in the other direction: you choose the time and it finds the payment.

Compare plans on the same basis

When testing a shorter term, keep the balance and APR unchanged. Otherwise, the difference may come from a new rate or balance rather than your payment choice. Read total interest and total repaid together. Total repaid includes the debt you already owe, so it is larger than the interest cost alone.

Read the chart as a cost breakdown

The chart has two parts: the starting balance and estimated interest. It does not show the balance falling each month or forecast your credit score. A smaller interest portion shows less modeled borrowing cost, but it does not prove a payment is affordable.

Update the plan when the account changes

Run a fresh estimate after new spending, a fee, a rate change or a missed payment. Keep the issuer’s actual due date and minimum payment in view. Near the end of repayment, confirm the final amount with the issuer because daily interest and rounding can leave a small amount still due.

Why Statement Interest Differs

Interest can depend on daily balances

Many card issuers calculate interest daily using the average daily balance. A payment made earlier can change the interest charged for that billing cycle. This calculator uses equal monthly periods, so it does not measure the effect of a particular payment date or a billing cycle with more days.

One card can have more than one rate

Purchases, cash advances and balance transfers may have different APRs. Your statement identifies the balances that fall under each rate. This form accepts one balance and one rate, so it cannot reproduce how payments are divided between those categories.

Promotional terms need a separate check

Entering 0% assumes that rate lasts throughout the period you select. The tool has no input for a promotion ending, a later rate, a transfer fee or deferred interest. Check those terms in the actual offer rather than treating a zero interest result as a complete comparison.

Use the estimate to plan payments, then use your issuer’s records to check what is actually due. The result does not include a calendar payoff date, daily interest history or a final settlement quote.

Common Repayment Mistakes

  • Using the credit limit as the balance. Enter the amount you intend to repay, not the amount the issuer lets you borrow.
  • Entering 0.20 when the rate is 20%. The form expects 20. The calculator converts the percentage for you.
  • Entering months in a field measured in years. For 18 months, enter 1.5 years rather than 18.
  • Choosing a term that does not give whole months. The formula accepts fractional payment counts, but the duration label rounds to a whole month. Use a clear monthly period for a practical plan.
  • Reducing payments as the minimum falls. The result assumes the same payment continues throughout the plan.
  • Leaving new purchases out of the budget. New charges are not included in the original estimate.
  • Applying one rate to several different balances. Separate APRs and payment allocation can change the actual interest.

Credit Card Repayment FAQs

Where do I find the rate to enter?

Look at the interest information on your latest statement. Use the APR applying to the balance you want to repay. A purchase rate may differ from a cash advance or transfer rate, and this calculator has only one rate input.

Is Required monthly payment the amount my issuer says I must pay?

No. It is a calculated target for your chosen repayment period. Your statement gives the actual minimum due and payment deadline. The calculator does not apply the issuer’s minimum payment formula.

Can I choose a repayment period shorter than one year?

Yes. Enter 0.5 years for six months or 0.75 years for nine months. A positive term is required. Choose a term that produces a whole number of months when multiplied by 12.

What should I use if I already know my monthly payment?

Use the Credit Card Payoff Calculator in the related tools below. It starts with your chosen payment and estimates how long repayment could take. This calculator starts with your desired time instead.

What happens when I enter a zero balance?

The estimated payment and interest are both zero for a valid positive term. The tool does not add future fees, transactions or interest that is not part of your entered balance.

Can I use the result for a promotional 0% offer?

You can estimate a period during which the rate remains zero. The tool does not include a promotion ending, a balance transfer fee or a later interest rate. Check those terms before treating the estimate as the full cost of an offer.

Does paying the statement balance in full avoid interest?

On many cards, paying the full purchase balance by the due date can avoid purchase interest when a grace period applies. Cash advances and other balances can follow different rules. This calculator models repaying a carried balance and does not determine whether your account has a grace period.

Can I combine several cards into one calculation?

You can enter a combined balance, but one rate will not reproduce different APRs, minimum payments and account rules. Estimate each balance separately for a clearer comparison. The tool does not decide how to divide your payments between cards.

Will the final payment be exactly the displayed monthly amount?

It may differ. The formula keeps more decimal places than the displayed payment, and an issuer may accrue interest daily. Ask the issuer for the remaining amount due near the end of your plan rather than assuming the estimate settles the account.

Sources and References

The following Consumer Financial Protection Bureau pages explain the rates and statement information discussed here. The monthly formula and worked figures above were checked separately against this calculator’s calculation method.