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 3 Tips to Plan Your Exit Strategy Be realistic about the sale of your business, get it ready for the sale and make sure key employees are on board The History of Currency Currency has been around for a long time. Here’s a quick history lesson. 7 Ways to Show Your Appreciation for Mom this May For the unsung heroes who raised us, protected us, encouraged us and cleaned up after us, now is the chance to express our gratitude.