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 Timing Your Retirement This short video illustrates the importance of understanding sequence of returns risk. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities. A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance.