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 Question Thank you! Oops! Related Content Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees.