Credit Card Payment Calculator

Calculate your monthly credit card payment and see how long it will take to pay off your balance. Compare different payment strategies and understand the true cost of your debt.

Credit Card Inputs
$
Outstanding credit card balance
%
Your card's annual interest rate
How you want to calculate the payment
$
Amount you pay each month
Additional Options

How to Calculate Credit Card Payments?

A credit card payment calculation helps you understand how much of your monthly payment goes toward interest and how much reduces your outstanding balance. The calculation also helps estimate your total interest cost, the time required to pay off your debt, and the total amount you will pay.

The method depends on the payment calculation mode you select. For example, you can choose a fixed monthly payment, a fixed payoff period, or a percentage of your outstanding balance.

Let's understand the calculation using the following example.

Example inputs:

  • Current Balance: $5,000
  • Annual Percentage Rate (APR): 24.99%
  • Payment Calculation Mode: Fixed Monthly Payment
  • Monthly Payment: $200

Step 1: Calculate the Monthly Interest Rate

First, convert your annual percentage rate (APR) into a monthly interest rate by dividing it by 12 and then by 100.

Monthly Interest Rate = APR ÷ 12 × 100

Monthly Interest Rate = 24.99 ÷ 12 × 100 = 0.020825

Monthly Interest Rate = 2.0825%

Your estimated monthly interest rate is 2.08%.

Step 2: Calculate the Monthly Interest

Multiply your outstanding credit card balance by the monthly interest rate to calculate the estimated interest for the month.

Monthly Interest = Outstanding Balance × Monthly Rate

Monthly Interest = $5,000 × 0.020825 = $104.13

Your estimated interest for the first month is $104.13.

Step 3: Calculate the Principal Payment

Your monthly payment covers the interest first, and the remaining amount reduces your outstanding balance. This remaining amount is called the principal payment.

principal payment = Monthly payment − Monthly Interest

principal payment = $200 − $104.13 = $95.87

Out of your $200 monthly payment, approximately $104.13 goes toward interest and $95.87 reduces your original balance.

Step 4: Calculate the Remaining Credit Card Balance

Subtract the principal payment from your previous balance to determine how much you still owe.

New Balance = Old Balance + Interest − payment

New Balance = $5,000 + $104.13 − $200 = $4,904.13

After your first $200 payment, your estimated outstanding balance becomes $4,904.13.

Step 5: Calculate the Total Interest and Amount Paid

The calculator repeats the same process every month using the updated outstanding balance until the remaining balance reaches zero. Since the balance gradually decreases, the monthly interest also decreases over time.

Based on the monthly payment of $200, the estimated payoff results are:

Total Amount Paid:

Total Amount Paid = original Balance + Total Interest

Total Amount Paid = $5,000 + $2,135.16 = $7,135.16

Interest as a Percentage of Balance:

Interest Percentage = Total Interest ÷ original Balance × 100

Interest Percentage = $2,135.16 ÷ $5,000 × 100 = 42.70%

This means you will pay approximately $2,135.16 in interest in addition to your original $5,000 balance.

How Different Payment Calculation Modes Work

The calculator offers three payment methods, each designed for a different repayment preference.

1. Fixed Monthly Payment

You choose a fixed amount to pay every month. The calculator estimates how many months it will take to clear your outstanding balance and how much total interest you will pay.

2. Fixed Payoff Term (Months)

You choose how many months you want to take to pay off your credit card balance. The calculator estimates the monthly payment required to clear the balance within that period.

Formula:

M = P × r ÷ 1 − (1 + r)−n

Where:

  • M = Required monthly payment
  • P = Current outstanding balance
  • r = Monthly interest rate
  • n = Number of months

3. Percentage of Balance

You choose a percentage of your outstanding balance to pay each month. The calculator determines the payment based on the remaining balance and estimates how the debt changes over time.

Monthly payment = Current Balance × payment Percentage ÷ 100

For example, if your outstanding balance is $5,000 and you choose a 5% payment percentage:

Monthly payment = $5,000 × 5 ÷ 100 = $250

Your first monthly payment would be $250. As the outstanding balance decreases, the payment amount also decreases.

Important Note

These calculations provide estimates using a simplified monthly interest method. Actual credit card interest may vary depending on the daily outstanding balance, billing cycle, payment dates, new purchases, fees, and your card issuer's interest calculation method. The estimated payoff period and total interest may therefore differ from your actual credit card statement.