US Estate Tax 2027 $15M Exemption Calculator

OBBB raised estate tax exemption to $15M per individual ($30M couple) for 2026. Calculate 2027 estate tax for estates above threshold.

Primary input
Applicable rate / amount
Gross estate value ($)
Estate Tax
Net / After
Input amount
Applied rate
Estate Tax
Net / after
Ad Space

What Is Estate Tax 2027?

OBBB raised estate tax exemption to $15M per individual ($30M couple) for 2026. Calculate 2027 estate tax for estates above threshold. This calculator gives an indicative result based on the headline rate or limit. Situational adjustments (phase-outs, taper, special filing statuses) can shift the final figure ±10–20%. Always cross-check with the official source for your circumstances.

How the 2027 Rules Differ

For Estate Tax 2027, the 2026/2027 figures incorporate the latest legislative changes — OBBB for US federal items, April 2027 UK tax year resets, and HMRC indexation. The calculator reflects published rates as of May 2026; if mid-year emergency legislation changes them, the page will be updated within 14 days.

When to Use This Calculator

Use this calculator before tax planning conversations with your accountant, before making contribution / withdrawal decisions, and before signing employment or property contracts. The indicative number is useful as a baseline; the accountant or HMRC/IRS official portal gives the legally binding figure.

Source and Disclaimer

Figures sourced from irs.gov as of May 2026. This is an educational calculator and is not tax, legal, or financial advice. Consult a CPA, chartered accountant, IFA, or qualified solicitor for advisory work. Last updated: May 2026.

Source: irs.gov