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 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.