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 How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.