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Guides on California child support, the guideline formula, deductions, and how to navigate the process.
How the One Big Beautiful Bill Act (OBBBA) Affects Child Support in 2026
The OBBBA made TCJA tax cuts permanent and changed SALT caps, CTC amounts, and bracket thresholds. Here's what that means for California child support calculations.
How to Accurately Estimate Child Support Without Paying for Software or Attorneys
The guideline child support formula is public law, and there are free resources — including the Family Law Facilitator — to help you understand your number.
I Just Lost My Job. How Does That Affect My Child Support?
If your income drops, the guideline child support formula produces a different number. Here's how the calculation changes and what the process looks like.
How Does Contributing to a 401(k) Affect Child Support in California?
Your 401(k) contributions reduce your taxable income, which lowers your taxes, which affects your net disposable income and child support. Here's exactly how the math works.
What Is the Low-Income Adjustment for Child Support in California?
When the paying parent's net income falls below $2,929/month, the guideline formula includes an adjustment that reduces the support amount. Here's how it works.
What Is the K Factor in California Child Support?
The K factor is the key variable in the California guideline formula. It determines what fraction of the income difference between parents becomes child support.
I Make $2,000 a Week. How Much Child Support Will I Pay?
A practical walkthrough of California guideline child support for someone earning $2,000/week ($8,667/month), with different timeshare scenarios.