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Gift Tax After Tax Value Estimator

This estimator shows how a gift may interact with the annual exclusion and a donor’s remaining lifetime basic exclusion before a simplified gift-tax cost is applied.

The default annual exclusion is $19,000 for 2026, and the default remaining lifetime exclusion is $15 million, but both fields are editable. The calculator first removes the annual exclusion, then uses available lifetime exclusion against the remaining taxable gift. Only any excess is multiplied by the entered gift-tax rate. For clarity, the result reports an “economic after-tax transfer value” by subtracting modeled tax cost from the gift amount; in practice, federal gift tax is generally a donor liability rather than tax withheld from the recipient’s gift.

Gift tax assumptions

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Result
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Economic after-tax transfer value
Gift above annual exclusion—
Lifetime exclusion used—
Estimated gift tax—
Remaining lifetime exclusion—

1. Enter the gift amount
Use the fair value of the transfer you want to model.

2. Set the annual exclusion
Keep the 2026 $19,000 default when appropriate or enter another qualifying exclusion amount.

3. Enter remaining lifetime exclusion
Use the amount of basic exclusion you want available to shelter taxable gifts in the scenario.

4. Choose a gift-tax rate
Apply a simplified rate only to taxable value that exceeds both exclusions.

5. Review exemption use and tax
The breakdown separates annual exclusion, lifetime exclusion consumed, estimated tax, and remaining exclusion.

Taxable gift after annual exclusion = max(0, Gift − Annual exclusion)
Lifetime exclusion used = min(Taxable gift, Remaining lifetime exclusion)
Gift amount subject to modeled tax = max(0, Taxable gift − Remaining lifetime exclusion)
Estimated gift tax = Taxable amount × Tax rate

The main value subtracts the modeled tax cost from the gift solely as an economic comparison. Federal gift tax is generally paid by the donor rather than withheld from the property received by the donee.

What the result means

The headline amount is the gift value minus the simplified current gift-tax cost generated after applying the entered exclusions.

Reporting requirements can apply even when no current gift tax is due. This calculator does not prepare or replace Form 709.

Given: $500,000 gift, $19,000 annual exclusion, $300,000 remaining lifetime exclusion, 40% tax rate.

Calculation: Taxable gift after annual exclusion = $481,000. Lifetime exclusion used = $300,000. Amount subject to modeled tax = $181,000. Estimated gift tax = $72,400.

Result: Economic after-tax transfer value = $427,600.

Interpretation: The recipient may still receive the full $500,000; the $72,400 is modeled as a separate donor tax cost in this simplified scenario.

What does the $19,000 annual exclusion mean?

For 2026, the federal annual gift-tax exclusion is $19,000 per recipient for qualifying present-interest gifts. The calculator lets you change that value because limits can change and special gifts may not qualify.

Does a gift above the annual exclusion automatically create gift tax due?

No. An amount above the annual exclusion is generally a taxable gift for reporting purposes, but available lifetime basic exclusion can shelter taxable gifts from current gift tax. This calculator includes a field for remaining lifetime exclusion.

Who normally pays federal gift tax?

The donor is generally responsible for federal gift tax. The recipient’s receipt of a gift is not usually reduced by a withholding mechanism, so the “economic net transfer” here is a planning measure rather than a statement of cash withheld from the recipient.

Can married couples double the annual exclusion?

Each spouse may have an annual exclusion, and gift-splitting rules can apply when requirements are met. This page models one donor and one recipient unless you deliberately adjust the inputs.

Does the calculator handle gifts of future interests?

No. The annual exclusion generally applies to qualifying present-interest gifts, while future-interest gifts can require different treatment and reporting. Use the exclusion field only when it is appropriate for the gift being modeled.