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 Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need.