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 My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Retirement Is a Beginning Key questions to answer when you are considering retirement.