Embed the BAS Calculator (Australia) on your site
Drop the free bas calculator (australia) into your website with one line of HTML. It stays up to date on its own, and every placement links back to 2Fin.
Estimated amount payable this BAS
$500.00
- 1A — GST on sales (taxable sales ÷ 11)
- $1,000.00
- 1B — GST credits (purchases ÷ 11)
- −$500.00
- Net GST for the quarter
- $500.00
Figures above keep the cents; the ATO form uses whole dollars, so drop the cents when you lodge. Assumes all purchases entered are creditable and you account on a cash basis. Indicative only — general information, not tax advice.
Free to start. Connect a bank or drop in a statement.
This is the live widget — exactly what your visitors see.
Add this calculator to your site
Free to use on your own site — drop this in wherever you like, and Fin keeps it up to date for you.
<iframe src="https://ai2fin.com/embed/bas-calculator" title="BAS Calculator (Australia) by 2Fin" width="100%" height="620" style="border:0;max-width:480px;width:100%" loading="lazy"></iframe>
<p style="margin:4px 0 0;font:12px/1.4 sans-serif"><a href="https://ai2fin.com/tools/bas-calculator" target="_blank" rel="noopener">Powered by 2Fin</a></p>Each embed links back to 2Fin. General information, not tax advice.
Add it in three steps
- 1
Copy
Copy the one-line embed code above.
- 2
Paste
Drop it into your page’s HTML wherever you want the calculator.
- 3
Done
It loads instantly and Fin keeps the rates current — nothing to maintain.
A widget you can trust
Built to be a good citizen on your page — accurate, free, and low-maintenance.
Sourced & dated rates
Every figure is computed from published government rates, each cited to its authority with a verified date.
Free forever
No sign-up, no API key, no usage limits. Use it on as many pages as you like.
Always current
Fin updates the rates centrally, so your embedded widget never goes stale — nothing to maintain.
Privacy-friendly
The widget collects nothing from your visitors — it just does the maths in their browser.
General information, not tax advice. Rates for guidance — check specifics with the relevant authority.
Prefer the full calculator?
Open the complete bas calculator (australia) — with the worked example, method and common questions — or let Fin track it all for you automatically. Free to start, no card needed.
Terms used on this page
Full glossary →- BAS (Business Activity Statement)The form GST-registered businesses use to report GST and PAYG.
- Tax treatment (GST treatment)The code that decides which activity-statement label a transaction feeds.
- Input taxedSales with no GST that also deny credits on related purchases.
- BAS Excluded (out of scope)Money that is not a supply and does not appear on the activity statement.
- Capital purchase (GST on Capital)An asset you buy to use over years — G10 on the BAS, then depreciated.
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