Child Support Calculator Self-Employed | ATI Guide

How Self-Employed Income is Calculated

Services Australia uses your Adjusted Taxable Income (ATI), not your net business profit. ATI adds back certain deductions to prevent parents from artificially reducing child support. Learn more in our detailed guide on router.push('/blog/child-support-self-employed')} > child support for self-employed parents

If your current income is significantly different from your last tax return, you can apply for an income estimate:

Common Add-Backs for Self-Employed

The other parent can apply for a router.push('/blog/change-of-assessment-reasons')} > Change of Assessment

Income Estimates for Self-Employed

Example Calculations

Change of Assessment for Self-Employed

Frequently Asked Questions