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 Question Thank you! Oops! Related Content Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). The 12 Steps to Living Confidently: Retire With Confidence There are good ways to retire and bad ways to retire. Retire the right way by better understanding Social Security. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable.