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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.