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 Message Thank you! Oops! Related Content Prescription Drug Benefits Under Medicare (Part D) Do you need to enroll in Medicare Part D? Read this article to learn more about whether you need this coverage 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you. Insight to a Maddening Employment Report Here’s why the August jobs report was particularly maddening.