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 All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Insurance Needs Assessment: For Empty Nesters and Retirees Do your insurance needs stay the same when the nest empties?