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 Message Thank you! Oops! Related Content Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more. Medicare vs. Medicaid The terms Medicare and Medicaid sound similar but are two very different things. Learn the differences in this informative article. Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan?