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 Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.