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 Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.