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 FIRE Retirement This short, informative article teaches the basics of the FIRE movement. It May Be Time for a Financial Checkup It’s never a bad time to speak with your financial professional about changes in your situation. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need.