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 Message Thank you! Oops! Related Content Mentorship for Entrepreneurs: An Invaluable Resource Entrepreneurship can be a rewarding but solitary pursuit. Infographic: Whole Life Insurance Can Be an Essential Piece You buy whole life insurance as protection for your loved ones and your legacy. But it can be so much more. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.