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 Question Thank you! Oops! Related Content A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement.