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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. Top Tips for a Retirement Tailgate The majority of U.S. workers retire at age 63. Do you want to leave the game earlier? Or play longer?