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Inheritance Tax Calculator

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Estimated Estate Tax (40%)
Federal Exemption
Taxable Estate
Effective Tax Rate
Estate After Tax
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What Your Result Means

How This Calculator Works

You enter the total estate value and select single or married filing status. The tool subtracts the 2024 unified credit exemption from the estate value to get the taxable amount, then applies the flat 40% federal estate tax rate. It returns the tax owed, effective rate, and remaining estate. This is a simplified model — it does not include the graduated rate schedule, prior taxable gifts, charitable deductions, marital deductions, or state-level estate and inheritance taxes.

Quick Questions

Will the exemption amount change?

Yes. The current elevated exemption ($13.61M in 2024) is set to roughly halve after 2025 when the Tax Cuts and Jobs Act provisions sunset, potentially dropping to around $7 million per person, adjusted for inflation. Congress may act to extend or modify this threshold.

What is portability and how does it help married couples?

Portability allows a surviving spouse to use the deceased spouse's unused exemption amount in addition to their own. This effectively doubles the married exemption to $27.22M without complex trust planning, but requires filing an estate tax return (Form 706) for the first spouse's estate.

Is there a difference between estate tax and inheritance tax?

Yes. The federal estate tax is levied on the estate itself before distribution. Inheritance tax, imposed by some states, is paid by the individual heirs based on what they receive and their relationship to the deceased. Six states currently impose an inheritance tax.

Does this include state estate taxes?

No. Twelve states and the District of Columbia impose their own estate taxes, often with much lower exemptions (as low as $1 million in some states). Check your state's rules separately, especially if your estate exceeds $2–5 million.

How can I reduce estate tax liability?

Common strategies include annual gift exclusions ($18,000 per recipient in 2024), irrevocable trusts, charitable donations, and strategic use of the marital deduction. Estate planning is complex — consult an estate attorney or tax professional for advice specific to your situation.

Sources

Method & review

MethodologyHow we calculate this Reviewed & Updated2026-04 Next review2027-04

Estimate only. Results reflect your inputs and standard formulas — they are not financial, tax, legal, health, or investment advice. Verify important decisions with a qualified professional.