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 Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff? Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. The History of Currency Currency has been around for a long time. Here’s a quick history lesson.