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 Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic. Mortgages in Retirement Explore the benefits and drawbacks to paying off your mortgage prior to retirement with this article. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits.