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 Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? U.S. Personal Savings Rate What can be learned from the savings rate?