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 | Related Content 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. Tips for Finding Care for Your Disabled 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.