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Inheritance Tax Calculator

Inheritance tax calculator

Could your estate face an inheritance tax bill?

Use our inheritance tax calculator to get a quick estimate of how much Inheritance Tax could potentially be due on your estate.

Add your property, savings, investments and other assets, then account for debts and the main Inheritance Tax allowances. It only takes a couple of minutes.

Instant estimate No details submitted Based on current UK allowances

Calculate your potential inheritance tax liability

Enter approximate values below. The calculator will update your estimate automatically as you go.

Which rules should we use?

From 6 April 2027, most unused pension funds and pension death benefits will be included within an estate for Inheritance Tax.

1. Your assets

Enter the approximate current value of your share of each asset.

For example, rental or holiday property.
Shares, ISAs, bonds and other investments.
Vehicles, jewellery, valuable possessions and similar assets.
This value is excluded under the calculator’s current-rules setting and included when you select rules from 6 April 2027. Some pension benefits remain outside the new rules.

2. Debts and liabilities

Certain debts can normally be deducted when establishing the value of an estate.

Loans, credit balances and other qualifying liabilities.

3. Allowances and exemptions

A few additional details help us make the estimate more useful.

The actual amount transferable depends on how much of the late spouse or civil partner’s allowances were unused.
For example, children or grandchildren. This is used to estimate the residence nil-rate band.
Transfers to a qualifying spouse or civil partner are generally exempt from Inheritance Tax.
Only include gifts you believe are not covered by an exemption. Lifetime gifting rules are complex, so this calculator uses a simplified treatment.
Important: This calculator provides a simplified estimate for educational purposes only. It does not take account of every Inheritance Tax rule, relief or exemption, including the reduced charity rate, detailed gift taper relief, trusts, Agricultural Property Relief, Business Property Relief, gifts with reservation or more complex ownership arrangements. Tax treatment depends on individual circumstances and tax rules can change. For an accurate assessment, appropriate professional advice should be obtained. Inheritance Tax and estate planning are not regulated by the Financial Conduct Authority. Tax assumptions last reviewed August 2026.
Understanding your result

What could affect your inheritance tax bill?

Your estate and the allowances available to it can be affected by your family circumstances, property, previous gifts and how your assets are arranged.

01

The £325,000 nil-rate band

Most estates have a basic Inheritance Tax threshold of £325,000 before IHT is normally charged.

02

Your family home

A further residence allowance of up to £175,000 may be available when a qualifying home passes to direct descendants.

03

Spouses and civil partners

Qualifying transfers between spouses or civil partners are generally exempt, and unused allowances may also be transferable.

04

Estates over £2 million

The residence nil-rate band begins to reduce when the value of an estate exceeds £2 million.

05

Lifetime gifts

Some gifts can remain relevant for Inheritance Tax if you die within seven years of making them.

06

Pensions from April 2027

From 6 April 2027, most unused pension funds and death benefits will become part of the estate for IHT purposes.

Plan ahead

An estimate is only the starting point

If the calculator suggests your estate could face an Inheritance Tax liability, there may be planning options worth exploring.

Estate planning is about much more than tax. It is about making your wishes clear, protecting the people important to you and ensuring your affairs are organised appropriately.

Review your will Make sure your will reflects your current family, property and financial circumstances.
Understand your allowances Establish which Inheritance Tax allowances and exemptions may be available to your estate.
Review how assets are held Property, investments, insurance, pensions and trusts may all have different estate-planning implications.
Keep your plans up to date Marriage, divorce, children, property purchases and major changes in wealth can all affect your plans.
Common questions

Inheritance tax calculator FAQs

How accurate is this inheritance tax calculator?

It is designed to provide a useful first estimate based on the information you enter and the main UK Inheritance Tax allowances. It cannot account for every personal circumstance, relief, exemption or complex estate-planning arrangement.

What is the current Inheritance Tax rate?

The standard rate is currently 40% on the part of an estate that is subject to Inheritance Tax. Different rules can apply, including a reduced rate in some circumstances where sufficient assets are left to charity.

Why does the calculator ask about my home?

A residence nil-rate band of up to £175,000 may be available when a qualifying residence is passed to direct descendants. This allowance can be reduced for larger estates.

Why does the calculator ask about pensions?

The treatment of pensions is changing. From 6 April 2027, most unused pension funds and pension death benefits will be brought within an individual’s estate for Inheritance Tax purposes. The calculator lets you compare the two scenarios.

Do gifts reduce Inheritance Tax?

Some lifetime gifts can be exempt, while others may remain relevant for Inheritance Tax for up to seven years. The rules around gifts and taper relief can be complicated, so the calculator only provides a simplified estimate.

Where can I check the official Inheritance Tax rules?

Know your number. Then put the right plan in place.

If your estate could face an Inheritance Tax liability, speak to CMME about your estate planning options and the wider plans you may want to consider.

Arrange a consultation

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