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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work.