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 Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Does Your Child Need to File an Income Tax Return? When your child has income, there’s a good chance that he or she will need to report it and pay taxes. A Checklist for When a Spouse or Parent Passes An overview of some fundamental steps when a loved one passes.