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 Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits.