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 Breaking Down the Parts of Medicare Medicare is broken down into four specific parts—but what do they mean? This article will help you understand each piece. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter.