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 Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter.