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 Planning for All Families These planning tips can help. 5 Original Ways to Show Your Love One of the best ways to love the people you care about is through properly protecting yourself, and them. Infographic: While You’re Still Covered Your healthcare coverage will change in retirement. Here are things you might do before your coverage switches.