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 Question Thank you! Oops! Related Content Tips to convert term life insurance to whole life insurance A term life policy can be converted to permanent life insurance as protection needs for your and your loved ones change What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. The mattress dilemma: Where to stash your savings? We know why to save: For emergencies, for retirement, to afford big-ticket dreams like home ownership or opening a business.