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 Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis.