What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. 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 Insuring Your Second Home There are unique risks of owning a second home and obtaining the proper coverage may protect you from financial risk. The Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.