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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Immediate vs. Deferred Annuities Looking forward to retirement? It's critical to understand the difference between immediate and deferred annuities. 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications.