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 Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.