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 What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. The Importance of Business Valuation You know your company inside and out. But do you know how much it’s actually worth on the open market? Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly.