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? Address Thank you! Oops! Related Contents Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Planning for Special Needs Children Planning for a special-needs child can be complicated, confusing, and even overwhelming. What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children.