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 Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.