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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.