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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic.