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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Suddenly Single: 3 Steps to Take Now Have you found yourself suddenly single? Here are 3 steps to take right now. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.