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 Managing Money as a Couple Keys to preparing to grow wealthy together. Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.