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 Password Protection Strategies Simple steps may help you foil hackers and protect your privacy. How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.