About IHT Calculator UK

The UK's most trusted free inheritance tax calculator, helping families plan for the future with confidence.

Free
Accurate
Up-to-date
Secure

Our Mission

We believe that understanding inheritance tax shouldn't be complicated or expensive. Our mission is to provide accurate, easy-to-use tools that help UK families plan their estates effectively and reduce their inheritance tax burden through proper planning.

Why Choose Our Calculator?

Accurate Calculations

Our calculator uses the latest HMRC rates and thresholds for precise inheritance tax calculations.

Secure & Private

All calculations are performed locally in your browser. We don't store your personal financial data.

Always Up-to-Date

We regularly update our rates and thresholds to match current UK inheritance tax legislation.

Expert Guidance

Created by tax professionals with deep knowledge of UK inheritance tax regulations.

Trusted Resource

Used by thousands of UK residents for estate planning and inheritance tax calculations.

Free to Use

Our comprehensive inheritance tax calculator is completely free with no hidden charges.

What We Do

IHT Calculator UK provides comprehensive inheritance tax calculation tools specifically designed for UK residents. Our calculator takes into account all current HMRC rates, thresholds, and exemptions to give you an accurate estimate of potential inheritance tax liability.

  • Calculate inheritance tax on estates of any size
  • Account for nil-rate band and residence nil-rate band
  • Include spouse/civil partner exemptions
  • Factor in charitable donations and other reliefs
  • Provide detailed breakdowns and explanations
  • Generate shareable results and PDF exports

Understanding the Residence Nil Rate Band (RNRB)

The Residence Nil Rate Band is a key component of UK inheritance tax that allows additional tax-free allowance when transferring a main residence to direct descendants. For the 2023/24 tax year, the inheritance tax nil rate band is £325,000 per individual. An additional residence nil-rate band of £175,000 can be added if the deceased's home is left to direct descendants (children or grandchildren), but this does not result in a total threshold of £500,000 for couples. This means a married couple could potentially pass on up to £1 million of assets without incurring inheritance tax. The RNRB only applies if the property is left to direct descendants (children, grandchildren, or adopted children) and is reduced by £1 for every £2 over the £325,000 threshold. Understanding how RNRB works can significantly reduce tax liabilities, especially for families with substantial property wealth.

How to Reduce Inheritance Tax Legally

There are several legitimate strategies to minimize inheritance tax burdens. Making gifts during your lifetime is one approach—annual exemptions allow up to £3,000 of tax-free gifts per year, with additional exemptions for small gifts (£250 per person) and wedding/marriage gifts. Trusts are another option, as assets placed in certain types of trusts may become exempt from inheritance tax after seven years. Charitable donations can also reduce taxable estates, with gifts to registered charities being entirely tax-free. Additionally, using business relief and agricultural relief can help reduce the value of business or farming assets. Our calculator incorporates these legal strategies to help users model different scenarios and plan effectively.

How Our Calculator Works

Our inheritance tax calculator operates using HMRC's official 2023/24 tax rules and thresholds. Users input details about their estate value, marital status, and planned asset distribution. The calculator automatically applies the standard nil rate band (£325,000), residence nil rate band (up to £175,000), and accounts for any exemptions or reliefs. All calculations occur locally within your browser, ensuring your financial data remains private and never stored. The tool provides a detailed breakdown showing how much of the estate qualifies for tax-free allowances and what remains taxable. This transparency helps users understand their obligations and explore different planning scenarios without sharing sensitive information.

Important Disclaimer

This calculator provides estimates for guidance purposes only. Inheritance tax calculations can be complex, and individual circumstances may affect the final tax liability. For estates with complex assets, trusts, or significant value, we recommend consulting with a qualified tax advisor or solicitor specializing in inheritance tax planning.

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