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 Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. A retiree’s introduction to volunteering Retirement can open a whole new range of opportunities to make a difference and have an impact on the world.