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 Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. How Big is Money? Learn a little about worldwide currency in this fun infographic Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.