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 Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. Social Security: Five Facts You Need to Know Here are five facts about Social Security that are important to keep in mind.