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 The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. 9 Facts About Social Security There are things about Social Security that might surprise you. Potential Income from an IRA Estimate your monthly and annual income from various IRA types.