Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Does Your Child Need to File an Income Tax Return? When your child has income, there’s a good chance that he or she will need to report it and pay taxes.