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Inheritance & Estate Tax Calculator

Estate tax from the value, allowance, and rate you enter — any country

Estimate inheritance or estate tax from an estate value, a tax-free allowance, and a rate you enter. Works for any country — nothing is fetched from a government API.

Example — edit to match your rules 29 August 2026

—
Taxable amount
—
Tax
—
Net to heirs
ItemAmount
How this works: Taxable = max(0, estate − allowance − extra allowance). Tax = taxable × rate ÷ 100. Net to heirs = estate − tax. Extra allowance is added to the nil-rate. Presets are illustrations, not live law.
Not tax advice. Figures depend on the rates and bands you enter. Local reliefs, residency, and filing rules are not applied. MultiSwitch is not professional advice — see Terms.

How this works

The taxable amount is the estate value minus your entered allowance and any extra allowance, floored at zero so a smaller estate than the allowance never produces a negative taxable figure: taxable = max(0, estate − allowance − extra allowance).

Tax is then a straightforward percentage of that taxable amount — tax = taxable × rate ÷ 100 — using whatever rate you enter, and net to heirs is simply the original estate value minus that tax.

The preset allowance and rate figures included are illustrations to get you started quickly, not live, jurisdiction-specific tax law — inheritance tax rules, allowances, and rates vary significantly by country and change over time, so check your own jurisdiction's current rules before relying on this for anything beyond a rough estimate.

FAQ

Are the preset allowances and rates up to date with current law?

No — the presets are illustrations to help you get started, not a live feed of any country's current inheritance tax rules. Always check your own jurisdiction's actual current allowance and rate before relying on a result.

What is the 'extra allowance' field for?

It's added on top of your main allowance before calculating the taxable amount — useful for jurisdictions that offer an additional allowance on top of the standard one (for example, an extra threshold when passing a home to a direct descendant).

What happens if the estate is smaller than the allowance?

The taxable amount is floored at zero rather than going negative, so a smaller estate than your combined allowances simply results in no tax owed.

Is this legal or tax advice?

No — it's a simple arithmetic calculator using the allowance and rate you provide. Inheritance tax law is complex and varies by jurisdiction; consult a qualified tax professional or solicitor for actual estate planning.