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 Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan?