Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Business Solutions with Life Insurance How can whole life insurance protect your business and reward and retain your key employees? 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security.