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 Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings. Personal Finance Calendar Use this handy calendar to remember the year’s most important financial dates. How Boomers and Millennials Differ The YOLO Economy is a focus on experiences over material possessions, prompting Boomers to consider a similar mindset.