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. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.