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 Tuning Your Social Security Benefit When should you take your Social Security benefit? Insurance Needs Assessment: For Empty Nesters and Retirees Do your insurance needs stay the same when the nest empties? What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons.