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 You Need to Know About Social Security Every so often, you’ll hear about Social Security benefits running out. But is there truth to the fears, or is it all hype? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever.