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 Question Thank you! Oops! Related Content Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff? A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.