FreeByte

Estate tax calculator

Tax exposure on an estate.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
$
40%

Estimated tax

$480,000

Passed on

$2,720,000

With these inputs, estimated tax comes to $480,000. Passed on works out to $2,720,000. The result assumes nil-rate threshold stays at 2000000%.

Taxable estate
$1,200,000
Effective rate
15.0%

What moves the number · Estimated tax

Input−10%Now+10%
Estate value$352,000$480,000$608,000
Nil-rate threshold$560,000$480,000$400,000
Rate above threshold$432,000$480,000$528,000

Solve for an input

Whatmakesequal

Compare scenarios

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Tax exposure on an estate.

A worked example

Starting figures

Estate value
$3,200,000
Nil-rate threshold
$2,000,000
Rate above threshold
40%

What it returns

Estimated tax
$480,000
Passed on
$2,720,000
Taxable estate
$1,200,000
Effective rate
15.0%

How to read the results

With the defaults above, estimated tax works out at $480,000.

Related calculators

Reverse sales tax calculatorTax bracket calculatorQuarterly estimated tax calculatorRelocation salary calculatorAdd VAT calculatorImport duty calculator