Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. 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 Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two?