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 A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Questions to Consider When Buying a Vacation Home Doing your research is key before buying a vacation home. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss.