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 To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Dog Bites and Homeowners Insurance Reviewing coverage options is just one thing responsible pet parents can do to help look out for their dogs.