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 If Your Kids Decide Against College? Rising college costs prompt students to seek alternatives; 529 account funds can be used for other education options. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement.