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 The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Timing Your Retirement This short video illustrates the importance of understanding sequence of returns risk. The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction.