This calculator is designed to show you how long it will take to pay off your credit card debt and computes the interest you will need to pay.Enter your credit card balance, interest rate and your monthly expenses.You can enter your monthly payment amount to learn when you can be debt free.Alternatively, enter a debtfree time period and find the monthly payment necessary to pay off your debt by that time.nnA payment schedule showing the debt balance, principal and interest paid for the term of the debt is provided.Another schedule displaying the Monthly Payment versus Time to Payoff is also available.