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 Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. What Is My Current Net Worth? Use this calculator to estimate your net worth by adding up your assets and subtracting your liabilities. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.