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 Emerging Market Opportunities What are your options for investing in emerging markets? A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route.