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 Why do we need insurance? Insurance isn’t always top of mind, but it can help protect you and give you confidence, so you can focus on your life. How will you pay for health care in 2053? Health care costs can top $600,000 for a couple in retirement. Here are 6 planning steps you can take to be prepared. Ways to use your tax refund With a few smart actions, a refund can act like a reset button for your long-term financial goals.