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 Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. What Smart Investors Know Savvy investors take the time to separate emotion from fact. What to Look for in an Extended-Care Policy Here’s a list of 8 questions to ask that may help you better understand the costs and benefits of extended-care insurance.