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 How Women Can Prepare For Retirement Are women prepared for a 20-year retirement? Tuning Your Social Security Benefit When should you take your Social Security benefit? Gap Insurance for Leased Cars If you’re thinking of leasing a new car, then you shouldn’t forget about gap insurance.