UKUnited KingdomUK Inheritance Tax (IHT 40% Rate)Finance & Salary

UK Inheritance Tax (IHT) & Residence Nil-Rate Band Calculator

Calculate HMRC 40% Inheritance Tax liability on estates above the standard Nil-Rate Band (£325,000) and Residence Nil-Rate Band (RNRB £175,000 for direct descendants), including 100% spousal transfer allowance (up to £1,000,000 combined exemption).

Calculator Inputs

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Calculated ResultUK Inheritance Tax (IHT 40% Rate)

Total HMRC Inheritance Tax (IHT 40%) Due

£100,000

Net After-Tax Estate Transferred to Beneficiaries

£650,000

Total Combined Tax-Free Allowance (£ NRB + RNRB)

£500,000

Detailed Calculation Breakdown

Gross Estate Value
£750,000
Total Tax-Free Allowance
£500,000
Inheritance Tax Due
£100,000
Net Inheritance
£650,000

Calculation Methodology

Total Tax-Free Allowance = Base NRB (£325k / £650k Married) + Residence NRB (£175k / £350k Married). Taxable Estate = max(0, Net Estate - Total Allowance). IHT Due = Taxable Estate * 40%.

Important Legal & Educational Disclaimer

The Residence Nil-Rate Band begins to taper by £1 for every £2 the estate exceeds £2,000,000. Gifts made more than 7 years before death are 100% exempt under the 7-year taper rule.

This calculator is designed for educational and informational purposes only based on public statutory frameworks. The outputs do not constitute binding financial, tax, or legal advice. We assume no liability for decisions made based on these estimations. Always verify with the relevant official authorities or a certified professional advisor.

Frequently Asked Questions

Yes, by combining both £325,000 Nil-Rate Bands (£650,000) and both £175,000 Residence Nil-Rate Bands (£350,000), a married couple can pass on up to £1,000,000 tax-free to direct descendants.
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