Inheritance Tax Calculator UK

Estimate Your UK Inheritance Tax Liability

Enter your estate details below to get an estimated Inheritance Tax (IHT) calculation for the UK. All values are in GBP (£).

This includes property, savings, investments, and other possessions.
Mortgages, loans, credit card debts, funeral expenses, etc.
Gifts or bequests that are exempt from IHT.
Gifts over annual exemptions (£3,000 per year) made within 7 years of death. These may reduce your available Nil-Rate Band.
The Nil-Rate Band and Residence Nil-Rate Band values depend on the date of death.
For Residence Nil-Rate Band (RNRB) eligibility. Direct descendants include children (including step, adopted, foster), grandchildren, etc.
Up to 100% of an unused RNRB can be transferred.

Estimated Inheritance Tax Results

£0.00

Net Estate Value: £0.00

Available Nil-Rate Band (NRB): £0.00

Available Residence Nil-Rate Band (RNRB): £0.00

Total Exempt Amount (NRB + RNRB): £0.00

Taxable Estate Value: £0.00

IHT Rate Applied: 40%

Explanation: Inheritance Tax (IHT) in the UK is generally charged at 40% on the portion of your estate that exceeds the combined Nil-Rate Band (NRB) and Residence Nil-Rate Band (RNRB). Gifts made within 7 years that exceed annual exemptions can impact the available NRB. This calculation provides an estimate based on current UK tax rules and your inputs.

Inheritance Tax (IHT) Nil-Rate Bands Over Time

Historical UK Nil-Rate Bands (NRB) and Residence Nil-Rate Bands (RNRB)
Tax Year Nil-Rate Band (NRB) Residence Nil-Rate Band (RNRB) Maximum RNRB Transferable

Note: The RNRB was introduced in April 2017. The maximum transferable RNRB is capped at the RNRB value for the year of death, even if the deceased spouse died earlier when the RNRB was lower or non-existent.

Estate Breakdown and Tax Liability Visualization

A. What is Inheritance Tax UK?

Inheritance Tax (IHT) in the UK is a tax on the estate of someone who has died, including all their property, money, and possessions. It's also sometimes payable on trusts or gifts made during someone's lifetime. The current standard rate of Inheritance Tax is 40% on the value of the estate above a certain threshold, known as the Nil-Rate Band (NRB).

Who should use this Inheritance Tax Calculator UK? Anyone who wants to understand their potential IHT liability, including individuals planning their estate, executors of an estate, or financial advisors. It helps in estimating the tax burden and informing estate planning decisions.

Common misunderstandings:

B. Inheritance Tax UK Formula and Explanation

The calculation of Inheritance Tax can be complex, but the core formula used in this calculator simplifies it for estimation purposes. The general principle is:

Inheritance Tax Payable = (Taxable Estate Value) × 40%

Where:

Taxable Estate Value = Net Estate Value - Total Exempt Amount (NRB + RNRB)

And:

Net Estate Value = Total Estate Value (Gross Assets) - Total Debts and Liabilities - Exempt Transfers

Total Exempt Amount = Available Nil-Rate Band (NRB) + Available Residence Nil-Rate Band (RNRB)

Chargeable gifts made within 7 years of death are factored in by first using up a portion of the available Nil-Rate Band, effectively reducing the tax-free allowance for the main estate.

Key Variables and Their Meanings:

Variables Used in UK Inheritance Tax Calculation
Variable Meaning Unit Typical Range
Total Estate Value The total value of all assets owned at death. £ (GBP) £0 - millions
Total Debts & Liabilities Mortgages, loans, funeral expenses, etc. £ (GBP) £0 - millions
Exempt Transfers Assets passed to a spouse/civil partner or qualifying charities. £ (GBP) £0 - millions
Chargeable Gifts Gifts made in the 7 years before death that exceed annual exemptions. £ (GBP) £0 - millions
Date of Death The date used to determine applicable tax thresholds. Date Past Dates
Home Value to Descendants The value of a home passed to direct descendants, for RNRB. £ (GBP) £0 - £1,000,000+
RNRB Transferable Indicates if unused RNRB from a deceased spouse can be used. Boolean Yes/No
Nil-Rate Band (NRB) The tax-free threshold for all estates. £ (GBP) £325,000
Residence Nil-Rate Band (RNRB) An additional tax-free threshold for homes left to direct descendants. £ (GBP) Up to £175,000

C. Practical Examples of Inheritance Tax UK

Example 1: Estate Below Tax Thresholds

Example 2: Estate With Tax Liability and Transferred RNRB

D. How to Use This Inheritance Tax Calculator UK

Using this calculator is straightforward:

  1. Gather Your Financial Information: You'll need an estimate of your total assets (property, savings, investments, valuable possessions) and your total liabilities (mortgages, loans, debts).
  2. Input Total Estate Value: Enter the combined value of all your assets.
  3. Input Total Debts and Liabilities: Enter the sum of all your outstanding debts.
  4. Input Exempt Transfers: If you plan to leave assets to your spouse/civil partner or to registered charities, enter that value here. These are typically IHT-exempt.
  5. Input Chargeable Gifts: If you've made significant gifts (over £3,000 per year) in the last 7 years of your life, enter their total value. These reduce your available Nil-Rate Band.
  6. Select Date of Death: Choose the approximate date of death. This is critical as the Nil-Rate Band and Residence Nil-Rate Band thresholds can change over time.
  7. Input Home Value to Direct Descendants: If you own a home and intend to leave it to your children, grandchildren, or other direct descendants, enter its value. This is a condition for the Residence Nil-Rate Band (RNRB).
  8. Check RNRB Transferable: If your deceased spouse or civil partner did not use their full RNRB, you might be able to transfer their unused allowance to your estate. Check this box if applicable.
  9. Click 'Calculate IHT': The calculator will instantly display your estimated Inheritance Tax liability and a breakdown of the calculation.
  10. Interpret Results: Review the primary IHT payable, as well as the intermediate values like Net Estate Value, Available NRB, and Taxable Estate. The chart provides a visual overview.
  11. Use 'Reset' or 'Copy Results': The 'Reset' button clears all fields to their default values. The 'Copy Results' button allows you to easily save or share the calculation summary.

Remember, this tool provides an estimate. For precise calculations and personalized advice, consult a qualified financial advisor or tax specialist.

E. Key Factors That Affect Inheritance Tax UK

Several critical factors influence the amount of Inheritance Tax an estate may have to pay:

  1. Total Value of the Estate: The larger the estate (assets minus liabilities), the higher the potential for IHT liability, especially if it significantly exceeds the tax-free thresholds.
  2. Nil-Rate Band (NRB): The basic tax-free allowance (£325,000 for 2009/10 onwards). Any part of the estate below this threshold is not subject to IHT. If an individual's NRB was unused by a deceased spouse/civil partner, up to 100% of it can be transferred, effectively doubling the NRB for the surviving spouse.
  3. Residence Nil-Rate Band (RNRB): An additional allowance when a home is passed to direct descendants. It has increased incrementally and can also be transferred from a deceased spouse/civil partner, potentially creating a combined threshold of up to £1 million for married couples/civil partners. (Note: The RNRB tapers off for estates valued over £2 million.)
  4. Gifts Made in Lifetime (7-Year Rule): Gifts made more than 7 years before death are generally IHT-free. Gifts made within 7 years are 'potentially exempt transfers' (PETs) or 'chargeable lifetime transfers' (CLTs) and can become taxable. The amount of tax due on these gifts reduces on a sliding scale (taper relief) if they were made 3-7 years before death. Crucially, these gifts can also use up part of the donor's NRB.
  5. Exemptions and Reliefs: Bequests to a spouse, civil partner, or registered charities are entirely exempt from IHT. Certain business or agricultural assets may also qualify for Business Property Relief (BPR) or Agricultural Property Relief (APR), reducing their value for IHT purposes.
  6. Will and Estate Planning: A well-structured will and proactive estate planning can significantly reduce IHT liability. This includes making use of annual exemptions, gifting strategies, setting up trusts, or taking out specific life insurance policies.
  7. Domicile: An individual's domicile (not just residence) plays a crucial role in determining which assets are subject to UK IHT. Non-domiciled individuals may have different IHT rules applied to their worldwide assets.

F. Frequently Asked Questions (FAQ) about Inheritance Tax UK

Q1: What is the current Inheritance Tax rate in the UK?

A1: The standard Inheritance Tax rate is 40% on the portion of an estate that exceeds the available tax-free thresholds (Nil-Rate Band and Residence Nil-Rate Band).

Q2: What is the Nil-Rate Band (NRB)?

A2: The Nil-Rate Band is the amount of an estate that is exempt from Inheritance Tax. It has been £325,000 since April 2009. Each individual has their own NRB.

Q3: What is the Residence Nil-Rate Band (RNRB)?

A3: The RNRB is an additional tax-free allowance for estates that include a home passed to direct descendants (children, grandchildren, etc.). It started at £100,000 in April 2017 and reached £175,000 in April 2020. It can be transferred from a deceased spouse/civil partner.

Q4: How does the 7-year rule for gifts work?

A4: Gifts made more than 7 years before death are generally IHT-free. If you die within 7 years of making a gift, it may still be included in your estate for IHT purposes. Taper relief can reduce the tax payable on gifts made 3-7 years before death.

Q5: Are gifts to spouses or charities subject to Inheritance Tax?

A5: No, gifts or bequests to a spouse, civil partner, or qualifying registered charities are generally exempt from Inheritance Tax.

Q6: Can I reduce my Inheritance Tax liability?

A6: Yes, through careful estate planning. This can include making gifts within annual exemptions, using trusts, making charitable donations, or taking out specific life insurance policies. Professional advice is recommended.

Q7: What happens if an estate is worth more than £2 million with RNRB?

A7: The Residence Nil-Rate Band (RNRB) is reduced by £1 for every £2 that the net value of the estate exceeds £2 million. This means that for very large estates, the RNRB may be entirely lost.

Q8: Does this calculator account for all complex Inheritance Tax rules, like taper relief for gifts or business relief?

A8: This calculator provides a simplified estimate for general guidance. It accounts for the main NRB, RNRB, and the impact of chargeable gifts on the NRB. It does not factor in complex rules like taper relief on gifts (it assumes chargeable gifts use up NRB first), Business Property Relief, Agricultural Property Relief, or the RNRB tapering for estates over £2 million. For precise calculations, always consult a tax professional.

G. Related Tools and Internal Resources

To further assist with your financial planning and understanding of UK taxation, explore our other helpful resources: