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 Forecast This short video helps explain why markets can be as unpredictable as the weather. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially.