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! Do You Know These 4 Critical Social Security Facts? In this ebook, we outline four important Social Security facts that every retiree should know and help you understand your benefits. Download yours today. First Name Last Name Email Address Thank you! Oops! Related Content The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability.