Child Support Calculator 50/50 Custody | Shared Care

How 50/50 Custody Affects Child Support

Many parents assume 50/50 custody means zero child support. This is rarely true. The router.push('/blog/child-support-formula-australia')} > child support formula

With shared care (35-65% each), the formula uses a "cost offset" approach:

The Cost Offset Formula

Child support is zero or near-zero only when:

Example Calculations

Care Percentage Thresholds

When 50/50 Results in Zero Child Support

Frequently Asked Questions