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 What's My 2023 Tax Bracket? Check out this handy reference of updated ranges from the IRS in case your designated bracket has changed. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.