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 Question Thank you! Oops! Related Content The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction. Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA.