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. Share | Related Content Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Four Reasons Millennials Need an Estate Strategy Estate strategies for millennials may sound like less of a concern than retirement, but young adults should prepare now. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.