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. Related Content Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. Understanding Extended Care Understanding the types of extended care services—and what those services could cost—may be critical. What to Look for in an Extended-Care Policy Here’s a list of 8 questions to ask that may help you better understand the costs and benefits of extended-care insurance.