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 Basics of Medicare Learn all about Medicare basics in this informative and insightful article. Tax Efficiency in Retirement What role would taxes play in your investment decisions? Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.