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 Message Thank you! Oops! Related Content Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last.