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 From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. New Retirement Contribution Limits for 2023 A look at the new, record-high retirement contribution limits from the IRS.