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 Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies.