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. Have A Question About This Topic? Name Email Address Message 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. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits.