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 How Women Can Prepare For Retirement Are women prepared for a 20-year retirement? Retiring Wild: National Parks and You Get ready to enjoy America’s national park system with this helpful article. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.