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 A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters.