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 Managing Money as a Couple Keys to preparing to grow wealthy together. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them?