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 Earnings for All Seasons Earnings season can move markets. What is it and why is it important? Saving for College 101 Here’s a crash course on saving for college. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.