Credit Card Equal Payment Calculator View Calculator If you want to eliminate that credit card balance, you'll probably want to pay more than the minimum required each month. Enter your credit card balance, interest rate, and the amount you will pay each month and this calculator will show you how much interest you will pay and how long it will take to pay off your credit card. Show the amortization schedule to see the month-by-month payment breakdown. Learn more about putting this calculator or other calculators on your website.