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 How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics.