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 Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works. What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement.