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 The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Healthcare Costs in Retirement Without a solid approach, health care expenses may add up quickly and potentially alter your spending.