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 Question Thank you! Oops! Related Content Finding the Balance The sandwich generation faces unique challenges. For many, meeting needs is a matter of finding a balance. How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated. How Stocks Work Understanding how a stock works is key to understanding your investments.