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 How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations?