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 What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses. Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits.