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Massachusetts Estate Tax Calculator

Estimate your Massachusetts and federal estate tax exposure based on gross estate value, applicable exemptions, and deductions.

MA Form M-706 · 2025 rates $2M MA exemption No data saved

This calculator provides estimates only — not legal or tax advice. Estate tax law is complex and fact-specific. This tool uses the 2025 Massachusetts and federal rate schedules but does not account for all possible deductions, credits, or planning strategies. For estate tax planning specific to your situation, schedule a consultation.

Gross Estate Value

Enter the fair market value of all assets at the time of death. Include assets wherever located — not just Massachusetts.

Real Estate
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$
Financial Assets
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$
$
IRAs and 401(k)s are included in the taxable estate.
$
Included if you owned the policy. Excluded if held in an ILIT.
Other Assets
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$

Deductions

Certain amounts are deducted from the gross estate before tax is calculated.

Debts & Expenses
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$
Typically 2–4% of estate for attorney fees, accounting, court costs.
Special Deductions
Marital deduction — transfer to surviving spouse
Assets passing to a US citizen spouse are fully deductible — no estate tax at first death.
Charitable bequests
Assets passing to qualifying charities are fully deductible.

Federal Portability

Apply deceased spouse's unused federal exemption (DSUE)
If a spouse died previously and a portability election was made on their estate return, their unused federal exemption transfers to the surviving spouse.

Your Estate Tax Estimate

Updates as you enter values above.

Enter estate values on the left to see your estimate.

Learn More About Estate Planning in Massachusetts

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Estate Planning on the North Shore of Massachusetts

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Will vs. Trust — Which Do You Need in Massachusetts?

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How Irrevocable Trusts Can Reduce Your Massachusetts Estate Tax

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Concerned About Estate Tax Exposure?

There are legitimate strategies to reduce or eliminate Massachusetts estate tax — trusts, gifting, and careful asset structuring. Our attorney will explain your options clearly.

Schedule a Consultation 978-561-3090