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 All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial?