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 Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Don’t Let Bad Financial Habits Haunt Your Retirement When it comes to retirement, some people can quit working and fall immediately into good money habits that they’ve practiced for years.