Working out your payments
Learn more about how assessments to pay child support are worked out. You can work out your assessment yourself and find out details on the circumstances that can change a child support assessment. Living allowances are also explained.
We use a simple four-step calculation (often called the child support formula) to work out how much child support a paying parent must pay. The result is the formula assessment.
Learn about the four steps that explain how child support is calculated from the formula assessment. If you would like to work through the child support formula for your own circumstances you can use our online child support assessment calculator.
A living allowance is part of the calculation for a formula assessment. View prior years living allowances, for checking your calculations for past years assessment of child support. The amounts usually vary each year.
For paying parents living overseas you will need to provide us with proof of income so that we can correctly assess your child support payment.
Date published: 23 Oct 2004