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 Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Insurance Needs Assessment: For Empty Nesters and Retirees Do your insurance needs stay the same when the nest empties? Women on the Rise Explore the growing influence women wield over the economy with this handy infographic.