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 Breaking Down the Parts of Medicare Medicare is broken down into four specific parts—but what do they mean? This article will help you understand each piece. Retirement Traps to Avoid Beware of these traps that could upend your retirement. Working With A Financial Professional A financial professional is an invaluable resource to help you untangle the complexities of whatever life throws at you.