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 Question Thank you! Oops! Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Diversification, Patience, and Consistency Three important factors when it comes to your financial life. Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last.