This calculator helps you estimate what you may pay or receive under the new child support formula from 1 April 2018 to 31 March 2019.
Use of this tool does not result in data being submitted to us.
If you're a parent, use this calculator to work out the amount of child support you may pay or receive. You can:
Note: If any of the other parents have children in other child support groups, this calculator cannot take those children into account.
If you're a non-parent carer, eg, a grandparent, you can use this calculator to work out the amount of child support you may receive. You can:
Note: If any of the parents have children you don't care for in other child support groups, this calculator cannot take those children into account.
This calculator can't provide a calculation when there is an administrative review, court order or other child support arrangement in place administered by us, eg, a voluntary agreement.
Note: To calculate recognised care (formally shared care) you can use the Child support - nights per year calculator.
We can't provide you with another person's details. If you don't know a parent's details you'll need to enter the information to the best of your knowledge.
The results are within the nearest $10. You shouldn't rely on this as a guarantee of your future child support assessment.
No information you provide while using the calculator is recorded, saved or in any way referenced by Inland Revenue. The calculator is stored on a secure part of our website to prevent unauthorised interception. If you are unable to access the calculator, you may need to update your browser and/or firewall settings.