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 Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article.