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 Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever.