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 A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. How to Conquer the World - 5 Financial Strategies for Savvy Learn more about women taking control of their finances with this infographic. What Smart Investors Know Savvy investors take the time to separate emotion from fact.