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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two?