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 Message Thank you! Oops! Related Content Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should.