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 The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative.