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 Message Thank you! Oops! Related Content Estate Planning as a Family Unit In retirement, talk to your family as you plan your estate. Restate your values. Cover the physical and financial sides. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. What You Need to Know about Tax-Loss Harvesting While tax-loss harvesting won't eliminate your taxes, it may offset what you owe on your taxable investment accounts.