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 A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.