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 Mastering Mobile Lingo Do you understand these common mobile slang terms? The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. Once Upon a Goal Do you know how to set up your financial goals for success? This knight does.