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 Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. Building a Solid Financial Foundation Sustain financial well-being or create wealth through these actions.