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 Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent.