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 Question Thank you! Oops! Related Content Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. Women and Wealth: A Pivot Towards Retirement Tips and strategies for women approaching retirement to ensure a smooth transition.