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 Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter. Four Steps to Valuing an Estate Determining the value of your estate, or for someone who has passed away, can be a complex undertaking.