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 Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics.