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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Financially Savvy at Six Figures Help your clients with these practical steps to make the most of their six-figure income.