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 How Will You Be Remembered? Estate planning is one of the best ways to leave a lasting legacy to your loved ones. 4 Things to Consider While You’re Planning When to Retire As the decision to retire approaches, you’ll find the choice of when to retire is rarely black and white.