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 How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.