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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. 8 Financial Milestone Birthdays Get ready to celebrate your financial birthdays in this informative infographic.