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 Debt Stress There’s a link between debt and stress. Your DNA Test Preparing for the unexpected can make all the difference if your family relies on your income. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters.