Invoice Quantity Calculator
Convert between cases, units, hours and fractions, and check what a quantity should be.
Bill in Australian dollars with 10% GST, an ABN and a BSB.
The AUD builder puts the ABN where it belongs, because an invoice without one obliges the payer to withhold 47%. GST is 10%, the document is titled a tax invoice only if you are registered, and payment fields carry a BSB and account number.
The ABN is the thing that matters most on an Australian invoice. If you supply a business and do not quote an Australian Business Number, the payer is required to withhold 47% of the payment and send it to the ATO — so an invoice without an ABN does not just get queried, it gets less than half paid.
GST is a flat 10% on most supplies, with GST-free and input-taxed categories for food, health, education, exports and financial services. Registration is compulsory above the turnover threshold, and a document can only be called a tax invoice if you are registered. Above a set amount the invoice must also carry the buyer’s identity, so a large B2B invoice needs their name or ABN as well as yours.
Payment is by bank transfer to a six-digit BSB and an account number, usually through the New Payments Platform, and PayID is increasingly common for smaller amounts. Terms of 14 days are more usual in Australia than the 30 days common elsewhere.
Without it the payer must withhold 47% of the payment.
With zero for GST-free food, health, education and exports.
Required on larger invoices, not just your own.
Plus a PayID for smaller payments over the New Payments Platform.
More usual in Australia than the 30 days common elsewhere.
Without it the payer must withhold 47%. It is the single most important field.
Only if you are registered for GST. Otherwise it is just an invoice, with no GST line.
Or mark GST-free lines at zero where food, health, education or exports apply.
Required above a set value — their name or ABN, not just yours.
And a PayID if you use one for smaller payments.
The payer is legally required to withhold 47% of the payment and remit it to the ATO, unless you give them a completed Statement by a Supplier explaining why you are not required to quote one. In practice, quote the ABN.
The words "tax invoice", your identity and ABN, the date, a description of the items, the GST amount or a statement that the total includes GST, and — above the set threshold — the buyer’s identity or ABN.
When your annual turnover reaches the registration threshold, or immediately if you provide taxi or ride-sourcing services. Below the threshold registration is optional, and if you are not registered you must not charge GST or issue a tax invoice.
A six-digit Bank State Branch code identifying the branch holding the account. An Australian payer needs the BSB and the account number; a payer abroad needs the SWIFT code instead.
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