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 How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible.