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 Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article. Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy? Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement.