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 Big is Money? Learn a little about worldwide currency in this fun infographic Preparation is the Key to Retirement The simplest ideas can sometimes make a massive difference over time. Enjoy this brief video to learn more. The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance.