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 Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.