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 A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult. What Is a 1035 Exchange? 1035 exchanges provide a way to trade-in an annuity contract or life insurance policy without triggering a tax liability. Is a SEP-IRA Right for Your Business? For some, the idea of establishing a retirement strategy evokes worries about complicated reporting and administration.