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 Message Thank you! Oops! Related Content How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. 3 Ways Charitable Giving Can Benefit Your Business More and more companies are choosing to donate to charities through volunteering their time, resources, or both.