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’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz What’s My 2024 Tax Bracket? Check out this handy reference of updated ranges from the IRS in case your designated bracket has changed. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.