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 Exploring Retirement Plans for Small Businesses Help small businesses make better retirement decisions for employees with this eye-catching and informative infographic. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.