Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. 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 What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic.