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? Name Email Address Question Thank you! Oops! Related Content Retirement Is a Beginning Key questions to answer when you are considering retirement. The 12 Steps to Living Confidently: The Small Business Dream Starting a small business? First, take care of the basics. 5 essential steps to help position your new business for success. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.