Child Support Calculator

Calculate how much child support you may owe or be entitled to under the Australian Child Support formula. Enter details about the children you share with the other parent, your income and dependants, and the other parent's income and dependants. Switch to the Model tab to see how your entitlement changes across a range of incomes and to adjust the formula parameters.

Children

Number of kids with other parent

Kid 1

Your nights of care per year

365

Age

Your details

Pre-tax income last financial year

$50,000

Number of other CS cases you have

Other CS pre-teenagers you have (≤12)

Other CS teenagers you have (13–18)

Non-CS pre-teenagers in your current relationship

Non-CS teenagers in your current relationship

Other CS kids where you have <128 nights/yr care

Received income support last financial year?

Youth Allowance, Jobseeker, Age Pension, DSP, Carer Payment, Parenting Payment, etc.

Other parent's details

Pre-tax income last financial year

$50,000

Number of other CS cases the other parent has

Other parent's other CS pre-teenagers (≤12)

Other parent's other CS teenagers (13–18)

Non-CS pre-teenagers in other parent's current relationship

Non-CS teenagers in other parent's current relationship

Other CS kids where other parent has <128 nights/yr care

Other parent received income support last financial year?

Your income vs entitlement

Your income vs cost of the children

Income band breakpoints

Band 1 ($)

$40,594

Band 2 ($)

$81,188

Band 3 ($)

$121,782

Band 4 ($)

$162,376

Band 5 ($)

$202,970

Cost of children tapers

Income band	1 child (≤12)	2 children (≤12)	3+ children (≤12)	1 child (13+)	2 children (13+)	3+ children (13+)