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 My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.