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 Timing Your Retirement This short video illustrates the importance of understanding sequence of returns risk. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters. A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult.