Disclaimer: This calculator provides an estimate of potential inheritance tax liability based on the information entered. It is for guidance only and does not constitute financial, tax or legal advice. The rules regarding inheritance tax are complex and subject to change. It does not account for gifts, trusts, business or agricultural property relief, or other exemptions and circumstances which may affect your liability. For an accurate calculation and advice tailored to your situation, please consult a professional advisor or refer to HMRC guidance.