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 Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.