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 Encore Careers: Push Your Boundaries Ready for retirement? Find out why many are considering encore careers and push your boundaries into something more, here. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.