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. Related Content Test Your Estate Strategy Knowledge Estate management can help ensure that your assets are transferred according to your wishes while managing tax issues. Orchestrating Your Retirement Accounts Getting the instruments of your retirement to work in concert may go far in realizing the retirement you imagine. How Income Taxes Work A quick look at how federal income taxes work.