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 Choose Your Own Retirement Adventure Retirement is one of the greatest adventures you’ll have. Which retirement adventure will you choose? Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.