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 Retirement Traps to Avoid Beware of these traps that could upend your retirement. Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should. The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report?