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 Inflation and the Real Rate of Return Learn about the role of inflation when considering your portfolio’s rate of return with this helpful article. What You Need to Know About Social Security Every so often, you’ll hear about Social Security benefits running out. But is there truth to the fears, or is it all hype? The Basics of Medicare Learn all about Medicare basics in this informative and insightful article.