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 The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Once Upon a Goal Do you know how to set up your financial goals for success? This knight does.