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 The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs. 5 Reasons to Invest in Your 401(k) Did you know that your savings can compound over time?