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 | Have A Question About This Topic? Address Thank you! Oops! Related Contents Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Here are three tips. Succeeding at Business Succession There are a number of reasons for business owners to consider a business succession plan sooner rather than later. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.