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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Is a Variable Annuity Right for Me? Pundits go on and on about how “terrible” or “wonderful” annuities are, but they never talk about whether annuities are right.