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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. 9 Facts About Social Security There are things about Social Security that might surprise you. Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs.