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 Managing Money as a Couple Keys to preparing to grow wealthy together. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.