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 Protect Your Retirement Income Gain the confidence and ability to enjoy retirement the way it should be enjoyed. An Arm and a Leg A visit to the hospital can be painful, for both your body and your wallet. Don’t let it be more painful than it has to be. 9 Facts About Social Security There are things about Social Security that might surprise you.