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Estate Tax Calculator

Create a simplified federal estate tax illustration from gross estate, deductions, exemption, and a marginal rate.

Best for: Create a simplified 2026 federal estate-tax illustration from gross estate, deductions, exemption, and an illustrative rate.

Your assumptions

Calculate your estimate

Your result

Estate Tax estimate

Illustrative estate tax
$0.00
Taxable estate after entered exemption
$0.00
Estate remaining after illustrative tax
$15,000,000.00

How to use this estate tax calculator

Use this estate-tax calculator for a high-level federal illustration, not a return or legal conclusion. Estate inclusion, valuation, adjusted taxable gifts, deductions, portability, credits, and state taxes can materially change the outcome.

  1. 1

    Estimate the gross estate

    Include assets potentially part of the federal gross estate using supportable values.

  2. 2

    Enter deductions and exclusion

    Use estimated debts and permitted deductions, then confirm the exclusion for the year of death.

  3. 3

    Treat the result as an illustration

    Review the estimated taxable estate before considering credits, prior gifts, portability, state tax, or filing requirements.

Worked planning example

Example: test values around the federal filing threshold

Set up

Model the estimated gross estate, debts, expenses, charitable deductions, and 2026 exclusion.

Compare

Increase the gross-estate valuation or reduce deductions to see how the estimated taxable estate changes.

Takeaway

Valuation and inclusion questions can matter as much as the headline exclusion amount.

Estate-tax planning requires legal and tax review

This simplified subtraction-and-rate model cannot determine filing requirements or tax due.

  • The IRS lists a $15,000,000 basic exclusion for 2026.
  • Adjusted taxable gifts and portability can affect the available exclusion.
  • State estate or inheritance taxes may apply below the federal threshold.

Calculation methodology and assumptions

Estate tax is highly fact-specific. This simplified illustration subtracts entered deductions and exemption, then applies one rate; it does not model gifts, portability, state estate taxes, trusts, or graduated calculations.

Primary references

Frequently asked questions

What is the federal estate-tax exclusion for 2026?

The IRS lists a $15,000,000 basic exclusion amount for 2026. The amount available to a particular estate can be affected by prior taxable gifts and portability.

Does the calculator include state estate tax?

No. State estate and inheritance taxes have separate thresholds, rates, residency rules, and deductions.

Is the estimated taxable estate the final tax due?

No. The calculator is a simplified illustration and does not fully model adjusted taxable gifts, credits, marital planning, portability, elections, valuation rules, or return preparation.

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