--- title: What are PAYG instalments; how do they work? description: PAYG Instalments (PAYGI) are a way of prepaying your tax obligations The ATO calculates your Instalment amount based on the last Tax Return lodged If your circumstances have changed dramatically we ca --- [Skip to content](https://support.fortunaadvisors.com.au/en/what-are-payg-instalments-how-do-they-work-1#main-content) English Show submenu for translations ![Fortuna logo.png\]](https://support.fortunaadvisors.com.au/hs-fs/hubfs/Fortuna%20logo.png?height=40&name=Fortuna%20logo.png) - [Default HubSpot Blog](https://blog.fortunaadvisors.com.au/) Open main navigation Close main navigation - [Default HubSpot Blog](https://blog.fortunaadvisors.com.au/) - English Show submenu for translations - Fortuna Advisory Group Fortuna Advisory Group Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://support.fortunaadvisors.com.au/en?hsLang=en) 2. [Tax & Compliance Guides](https://support.fortunaadvisors.com.au/en/tax-compliance-guides?hsLang=en) # What are PAYG instalments; how do they work? PAYG Instalments (PAYGI) are a way of prepaying your tax obligations The ATO calculates your Instalment amount based on the last Tax Return lodged If your circumstances have changed dramatically we can apply to vary the instalments - [Webinars](https://support.fortunaadvisors.com.au/en/webinars?hsLang=en) - [COVID-19 Resources](https://support.fortunaadvisors.com.au/en/covid-19-resources?hsLang=en) - [Business Advisory Guides](https://support.fortunaadvisors.com.au/en/business-advisory-guides?hsLang=en) - [Tax & Compliance Guides](https://support.fortunaadvisors.com.au/en/tax-compliance-guides?hsLang=en) - [Xero Guides](https://support.fortunaadvisors.com.au/en/xero-guides?hsLang=en) - [Legal Advice](https://support.fortunaadvisors.com.au/en/legal-advice?hsLang=en) - [Financial Planning Guides](https://support.fortunaadvisors.com.au/en/financial-planning-guides?hsLang=en) - [Brokerage Guides](https://support.fortunaadvisors.com.au/en/brokerage-guides?hsLang=en) - [Default HubSpot Blog](https://blog.fortunaadvisors.com.au/) [![Chill listening crop-3](https://support.fortunaadvisors.com.au/hs-fs/hubfs/Fortuna%20logo.png?width=85&height=24&name=Fortuna%20logo.png "Chill listening crop-3")](https://support.fortunaadvisors.com.au?hsLang=en) Connect with us on social Copyright © 2026, Fortuna Advisory Group ![](https://px.ads.linkedin.com/collect/?pid=3610066&fmt=gif)