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 Insuring Your Business Against Cyber Liability 90% of small businesses in the U.S. don't protect their data from cyber attacks. Is your business at risk? Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase? Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions.