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 The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.