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 Mutual Funds vs. ETFs Exchange-traded funds have some things in common with mutual funds, but there are differences, too. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name.