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 | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need. Keep Your Umbrella Handy Umbrella liability can be a fairly inexpensive way to help shelter current assets and future income from the unexpected. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.