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. Share | Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! Related Content Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.