Independent · Non-government
Work out your child support
Estimate how much child support you may pay or receive using the children's ages, care arrangements and parents' incomes. See your result and how it's worked out.
What would help you next?
An estimate does not set or change a child support obligation. Choose a next step only if you need one.
Your estimate stays here unless you save, email or share it.
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Understand how the figure was worked out
Read how income, care and the children’s circumstances shape a formula-based estimate.
My assessment shows a different amount
Compare the inputs, period and relevant decisions before deciding what a difference means.
Income or care has changed
Changing the calculator does not update Services Australia. Read about official income estimates or reporting a change in care.
I need a Services Australia assessment
See the official application steps and what information may be needed. Using this calculator is not an application.
A different question?
Find guidance on agreements, payment collection, special circumstances, Centrelink and other situations. Browse the Reference Library (opens in a new tab)
For official, legal, financial or safety support, compare the kinds of help available. Choose the right kind of help (opens in a new tab)
Inspect the method
Read the sources and limits, or explore fictional cases calculated with the current tool.
Possible error? Report a calculator or content issue. (opens in a new tab)