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 Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article. The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.