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 Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article.