How to Do a Invoice

Doing an invoice is the process of creating, sending, and tracking a payment request after you've supplied goods or services. Using a free invoice generator is the fastest way — it handles formatting and calculations so you can focus on the work.

Quick steps to do an invoice: 1. Pick a free invoice tool or template 2. Add your business name, ABN, address, and contact details 3. Enter a unique invoice number and today's date 4. Add the client's name and billing address 5. List each product or service with description, quantity, and rate 6. Calculate subtotal, GST (if registered), and total 7. Set payment terms — Net 14 is the most common 8. Add bank details, BPAY, or PayID for payment 9. Save as PDF and email to the client 10. Follow up with a reminder before the due date

Keep a copy of every invoice for at least five years for ATO records. Tools like InvoiceSonic automate numbering, calculations, and PDF generation — turning a 20-minute task into a 2-minute one.