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 An Arm and a Leg A visit to the hospital can be painful, for both your body and your wallet. Don’t let it be more painful than it has to be. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money.