Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). 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 Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education. How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.