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 Question Thank you! Oops! Related Content Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. The Next Gig Thing Make the gig economy work for you. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.