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 What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Breaking Down the Parts of Medicare Medicare is broken down into four specific parts—but what do they mean? This article will help you understand each piece. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work.