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 Question 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. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.