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 4 Easy Ways to Turn the Next Generation into Savvy Savers In times like these—nearly a decade after the Great Recession and in the midst of the current crisis—teaching your kids the value of a dollar is more critical than ever. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA.