Child Support Calculator New South Wales [2026] — NSW Guide
Child support in New South Wales is calculated using the same federal formula as every other Australian state. The formula is national — administered by Services Australia, not the New South Wales government. What differs in New South Wales is where to get help, which courts handle family law matters, and the local resources available to you.
Calculate Child Support in New South Wales
The formula is identical across all states. Enter both parents' incomes, care nights, and number of children — get your 2026 estimate instantly.
Use Free CalculatorIs Child Support Different in New South Wales?
No — the calculation is identical across all states and territories. Australia uses a single national child support scheme under the Child Support (Assessment) Act 1989. If someone tells you child support works differently in New South Wales, or quotes you a 'NSW-specific rate', that's not accurate.
How to Calculate Child Support in New South Wales
Use the calculator above. You'll need:
- Your annual adjusted taxable income
- The other parent's annual income
- Number of children
- Your care arrangement (nights per fortnight)
For a full explanation of the formula and worked examples, see: How is child support calculated in Australia.
Applying for Child Support in New South Wales
Apply through Services Australia — there's no separate New South Wales process:
- Go to my.gov.au and log in or create an account
- Link your account to Child Support
- Submit your application online
Alternatively, call Services Australia on 131 272 (Monday to Friday, 8am to 8pm).
Family Law Courts in New South Wales
Child support disputes that escalate to court are handled by the Federal Circuit and Family Court of Australia (FCFCOA):
Level 17, Law Courts Building, Queens Square, Sydney NSW 2000
Phone: 1300 352 000
Legal Aid NSW — Free Child Support Advice
| Service | Contact |
|---|---|
| Legal Aid NSW general line | 1300 888 529 |
| Family law advice line | 1300 888 529 (ask for family law) |
| Online enquiry | legalaid.nsw.gov.au |
| Sydney office | 323 Castlereagh Street, Sydney NSW 2000 |
Eligibility for Legal Aid NSW is means-tested. If you don't qualify, community legal centres across New South Wales offer free advice.
Community Legal Centres in New South Wales
- Redfern Legal Centre
- Marrickville Legal Centre
- Inner City Legal Centre
- Western Sydney Community Legal Centre
- Newcastle Legal Centre
National Family Violence and Legal Help Line: 1800 570 579
Child Support and the New South Wales Family Violence System
If family violence is a factor:
- Services Australia has specialist family violence staff — ask when you call 131 272
- Legal Aid NSW can direct you to family law and family violence services
- NSW Domestic Violence Line provides 24/7 crisis support: 1800 656 463
- Child support collect service minimises contact between parents
Need legal help in New South Wales?
Our calculator gives you an estimate. If your situation involves disputed income, a Change of Assessment, or a binding agreement, a family law specialist can help.
Related guides: Change of Assessment Private agreements What child support covers
Frequently Asked Questions — New South Wales
Is child support the same in New South Wales as in other states?
Yes — child support is a federal scheme with the same formula and process in every state and territory.
Where do I go for free child support advice in New South Wales?
Legal Aid NSW (1300 888 529), your nearest community legal centre, or the Family Law Advice Line (1800 050 321).
Can I take a child support dispute to the New South Wales Local Court?
No — child support matters are handled by the Federal Circuit and Family Court of Australia. The Sydney registry is in the Law Courts Building at Queens Square.
Does the New South Wales government have any child support programs?
Child support is a federal scheme. The New South Wales government provides support through Legal Aid NSW and community legal centres, but assessment and collection is done entirely by Services Australia.