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? Address Thank you! Oops! Related Contents Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Tips for Finding Care for Your Special-Needs Child The care of special-needs children continues into their adult years, and may survive the passing of their parents. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.