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 The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion? Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill.