Australia · GST
How to create a GST tax invoice in Australia
A quick, practical guide to what a valid Australian tax invoice must show — then make one in your browser, free and with no sign-up.
Create a GST tax invoice →What a valid tax invoice must include
For most taxable sales, the ATO requires a tax invoice to contain enough information to clearly show the following:
- the words "Tax invoice";
- the seller's identity and ABN;
- the date the invoice was issued;
- a brief description of the items sold, including quantity and price;
- the GST amount payable — this can be shown separately, or, if the GST is exactly one-eleventh of the total price, as a statement such as "Total price includes GST";
- the extent to which each item sold includes GST.
Sales of $1,000 or more
If the total price of the sale is $1,000 or more, the tax invoice must also show the buyer's identity or ABN.
The $82.50 threshold
A customer who is registered for GST generally needs a valid tax invoice to claim a GST credit for purchases of more than $82.50 (including GST). Below that, a receipt is usually enough — but a proper invoice never hurts.
How GST is calculated
Australia's GST is a flat 10% on most goods and services. On a tax invoice:
- GST-inclusive total = price × 1.10;
- the GST portion of a GST-inclusive total = total ÷ 11.
Our generator does this arithmetic for you and lets you set the rate, because you — not us — own the correct rate for your situation.
Ready to make one? The generator pre-fills the ABN label and a 10% GST rate, keeps a running invoice number, and saves everything locally on your device.
Open the GST invoice generator →Frequently asked questions
Do I need to be registered for GST to issue a tax invoice?
You can only show GST and call a document a "tax invoice" if you are registered for GST. If you're not registered, issue a regular invoice without GST.
Can I issue a tax invoice without an ABN?
A valid tax invoice must show the seller's ABN. Without one, the buyer may be required to withhold tax from the payment.
Is my data sent anywhere?
No. simpletaxinvoice runs entirely in your browser — your business details, clients and invoices are stored on your device and never uploaded, unless you choose to export a backup.
This guide is general information, not tax advice, and may not reflect the latest rules. You are responsible for issuing correct invoices — check the current ATO requirements or a registered tax agent for your situation.