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 Tax-Advantaged Retirement Planning Reduce your tax liability in retirement. Keeping Good Records is Good Business Maintaining good records for your business not only helps to meet your tax and legal obligations, but it can save you money. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax.