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 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. Insuring Your Business With a Buy/Sell Agreement It may help your business be better prepared in the event of the death of a principal or key employee. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement.