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 Question Thank you! Oops! Related Content Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article.