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 Message Thank you! Oops! Related Content What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. How to Bake a Pie-R-A Roth IRAs are tax-advantaged differently from traditional IRAs. Do you know how? Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy.