Finance

Estate Tax Calculator

Estimate a simplified federal estate-tax amount above an available exclusion. The default exclusion illustrates 2026, but the correct available amount depends on the estate and relevant prior gifts.

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Using the Estate Tax Calculator

The estate field includes the net estate plus adjusted taxable gifts for the simplified scenario. Do not treat the gross value of every asset as the taxable base without accounting for the estate’s circumstances.

Worked example

Use the example inputs below to reproduce this result. These are the form's starting values, not recommended targets. Changing your inputs updates your result above; this worked example stays fixed for comparison. Results are rounded for display.

Example inputs

Net estate plus adjusted taxable gifts ($)
20000000
Available exclusion ($)
15000000
Gift tax already paid ($)
0

Example result

Estimated federal estate tax ($)
2,000,000

Method and assumptions

Simplified 40% marginal estimate above the available exclusion, for estates above $1 million. Does not model state taxes, portability, deductions, gift credit interactions or special relief; consult an estate tax professional.

Reference: irs.gov — method and further reading

Match the tax year and scope

Tax estimates depend on the year, jurisdiction and definitions used in the model. Check whether an input means gross income, taxable income or an amount after a particular deduction. Keep excluded credits, other taxes and special circumstances separate. A simplified scenario can explain a relationship without reproducing the amount on an actual return.

Common question

Why can the available exclusion differ from the default?

Prior taxable gifts, a deceased spouse’s unused exclusion and applicable elections can affect the amount available. Establish that figure from the estate records and relevant tax guidance.