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 Question Thank you! Oops! Related Content Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.