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 Question Thank you! Oops! Related Content Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Your Paycheck and You: A Love Story Are you showing your paycheck the love it deserves? Financial Fixes: The Hidden Costs of Home Ownership Six out of 10 millennials regret buying a home because they weren’t prepared for the hidden costs.