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 A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Inflation and the Real Rate of Return Learn about the role of inflation when considering your portfolio’s rate of return with this helpful article.