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 How to Bake a Pie-R-A Roth IRAs are tax-advantaged differently from traditional IRAs. Do you know how? Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time.