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 When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases. The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. How Income Taxes Work A quick look at how federal income taxes work.