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 Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. What does a healthy relationship with money look like? Insurance isn’t always top of mind, but it can help protect you and give you confidence, so you can focus on your life. 5 Finance gifts for Mother’s Day Five great gift ideas to give your mom a financial boost.