Nowadays, we always have chance to buy goods by credit card. Sometimes we also can have credit card balance paid off by more than one month, but we should pay some more. This calculator can tell us how much we should pay except for goods itself. It is very useful, hope you like it. Current Balance($): This is the current or total amount of credit card debt that you would like to pay off. Payoff Target: This is the number of months by which you would like to have your credit card balance paid off. Interest Rate(%): This is interest rate charged by your credit card company on the outstanding balance you are keeping on the credit card each month. Min Interest: This is the minimum interest, which you should pay for your credit card company. Monthly Payment($/month): This is the current monthly payment you are making on your credit card each month.