Inheritance Tax Nil-Rate Band Calculator 2026 | £500k & £1M Thresholds | NationRules
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HMRC IHT Rules 2026£500k / £1M Tax-Free Limit40% Tax Rate

Inheritance Tax Nil-Rate Band Calculator

Calculate your Inheritance Tax (IHT) tax-free thresholds, combining the £325,000 Nil-Rate Band and £175,000 Residence Nil-Rate Band (up to £1 Million for married couples).

IHT Tax-Free Allowance & 40% Tax Estimator

Compute total combined tax-free estate allowance

£

Inheritance Tax Result:

Total Combined Tax-Free Allowance
£500000
0% Tax Band
Estimated 40% IHT Tax Payable
£60000
40% Rate on Excess