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 Be My Beneficiary Financial planning for couples. Mentorship for Entrepreneurs: An Invaluable Resource Entrepreneurship can be a rewarding but solitary pursuit. Potential Income from an IRA Estimate your monthly and annual income from various IRA types.