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 Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.