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 Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. Tuning Your Social Security Benefit When should you take your Social Security benefit? What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances.