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 Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Retiring Wild: National Parks and You Get ready to enjoy America’s national park system with this helpful article. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone.