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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Types of Stock Market Analysis Most stock market analysis falls into three broad groups: Fundamental, technical, and sentimental. Here’s a look at each. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.