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A free Australian capital gains tax calculator your readers can use without leaving your page — ideal for accountants, brokers and finance blogs. One iframe, nothing to maintain. Now includes a widget already correct for the CGT rules starting 1 July 2027.
No API key, no account and no usage caps. Paste the iframe and it works.
The widget runs on the same engine as our calculators — tax brackets are verified against ATO sources weekly and the financial year rolls over automatically.
Paste both parts — the credit line under the frame stays — and keep the disclaimer under the result intact. That's the whole licence.
Exactly what your visitors see, on your page.
Capital gains tax calculator — Australia 2026–27
The 50% CGT discount changes from 1 July 2027 — what changes
Estimated CGT payable
$750
Estimate only, for Australian resident individuals. Factual information — not financial product advice or tax advice, and not to be relied on for a decision about a financial product. Oz Finance Hub holds no AFSL and is not a registered tax agent. Assumptions and full disclaimer.
Copy both parts anywhere HTML is allowed — posts, sidebars, resource pages. The credit line under the frame is the attribution.
<iframe
src="https://ozfinancehub.com.au/widgets/cgt"
width="100%"
height="640"
style="border: 0; max-width: 480px"
title="Australian capital gains tax calculator"
loading="lazy"></iframe>
<p style="max-width: 480px; font-size: 12px">
Capital gains tax calculator by
<a href="https://ozfinancehub.com.au/tools/investments/capital-gains">Oz Finance Hub</a>
</p>Want a different calculator as a widget — take-home pay, franking credits, stamp duty? Tell us and we’ll build it.
The widget provides factual information and arithmetic — not financial product advice, tax advice or personal advice. Free to embed on any website provided the attribution line in the snippet and the disclaimer inside the widget both remain visible and unmodified. You must not remove or obscure either, and you must not present the calculator as your own advice tool or as the output of a licensed adviser.
The 50% discount abolition, CPI indexation and the 30% minimum tax — most calculators (including our own original CGT widget above) don’t model any of it yet. This one does.
Exactly what your visitors see, on your page.
CGT calculator — new rules from 1 July 2027
Scenario: bought the day the new rules start, sold N years later.
Assumes 2.5% annual inflation for CPI indexation (not yet published for a future quarter) — an assumption, not a forecast. Estimate only, for Australian resident individuals. Factual information — not financial product advice or tax advice, and not to be relied on for a decision about a financial product. Oz Finance Hub holds no AFSL and is not a registered tax agent. Assumptions and full disclaimer.
Copy both parts anywhere HTML is allowed — posts, sidebars, resource pages. The credit line under the frame is the attribution.
<iframe
src="https://ozfinancehub.com.au/widgets/cgt-reform"
width="100%"
height="700"
style="border: 0; max-width: 480px"
title="Australian CGT calculator — 2027 new rules"
loading="lazy"></iframe>
<p style="max-width: 480px; font-size: 12px">
CGT calculator for the 2027 rules by
<a href="https://ozfinancehub.com.au/tools/investments/cgt-reform-calculator">Oz Finance Hub</a>
</p>The widget provides factual information and arithmetic — not financial product advice, tax advice or personal advice. Free to embed on any website provided the attribution line in the snippet and the disclaimer inside the widget both remain visible and unmodified. You must not remove or obscure either, and you must not present the calculator as your own advice tool or as the output of a licensed adviser.