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 Question Thank you! Oops! Related Content The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know? 5 Finance gifts for Mother’s Day Five great gift ideas to give your mom a financial boost. Tax-efficient retirement strategies Heading into retirement with confidence is easier if your strategy includes steps to help minimize taxes.