How to Make an Invoice

Making an invoice is straightforward once you know the required fields. You need your business details, the client's details, a unique invoice number, line items with amounts, and payment terms.

Steps to make an invoice: 1. Choose a template or invoice tool (InvoiceSonic's free generator works in under 2 minutes) 2. Add your business name, ABN, and contact details 3. Enter the client's name and billing address 4. Assign a sequential invoice number and today's date 5. List each product or service with quantity, rate, and line total 6. Add subtotal, GST (if registered), and total amount due 7. Set payment terms and include bank transfer or card payment details 8. Save as PDF and send to your client

If you're GST registered, label the document "Tax Invoice" and show GST as 10% of the taxable supply. InvoiceSonic calculates totals automatically.