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 Whole life insurance: part of a tax diversification strategy This is the best and simplest strategy that can make your retirement go a long way. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? How to avoid accidentally disinheriting your spouse Make sure you are reviewing your will to ensure your spouse isn't unintentionally disinherited.