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 Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities. Buying a Vacation Home? 5 Questions to Consider First You may be considering purchasing a vacation property, this can be an exciting milestone, but there are a few things to consider first. Social Security: By the Numbers Here are five facts about Social Security that might surprise you.