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 What are the important types of insurance to have? Learn about the most important types of insurance to have to protect yourself, your loved ones, and your legacy. Are your parents prepared for retirement Have you talked with your parents about their plans for retirement? How to gift yourself a debt-free holiday Here are some tips for having a jolly and debt-free gift-giving season.