Estimator

Child support estimator for California

Estimate monthly guideline support in California using income shares with parenting-time adjustment. Adjust incomes, custody, and add-ons to compare scenarios before you speak with a family law attorney.

Estimated monthly support in California

$815 – $997

Midpoint: $906 / month

Typical payor: Parent B → Parent A

Breakdown

Basic obligation (income-shares schedule): $1,729
Parent B's share after parenting-time adjustment: $906

Assumptions

Gross income converted to net with a 78% educational proxy (not a tax worksheet).
Parent A is treated as the primary custodial parent for this estimate.
Guideline model: Income shares with parenting-time adjustment.
Parenting-time adjustment not applied below 20% overnights with the non-custodial parent.

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How we estimate child support

This estimator starts with California Family Code § 4055 guideline guideline mechanics for California, converts gross income with a simple net proxy, then layers healthcare, childcare, and parenting-time adjustments where the state model supports them. It is an educational estimate — not a court order, not legal advice, and not a quote from any specific attorney.

California guideline basics

Guideline model: Income shares with parenting-time adjustment
Authority: California Family Code § 4055 guideline
Income reference: Schedule-based (no single flat cap)
Parenting-time adjustment: Available in this estimator

California child support FAQ

How is child support calculated in California?

California uses income shares with parenting-time adjustment under California Family Code § 4055 guideline. This estimator applies those rules in simplified form for planning.

Does parenting time change support in California?

Yes — when the non-custodial parent has substantial overnights, this estimator applies an approximate parenting-time adjustment for California.

Do healthcare and childcare affect the estimate in California?

Yes. Enter monthly child health insurance and work-related childcare; the estimator adds a pro-rata share to the guideline amount.

Is the California estimate a guaranteed court amount?

No. Actual orders depend on verified incomes, deductions, deviations, and local practice. Speak with a licensed family law attorney for advice on your facts.

Where can I find official California child support resources?

See the sources listed on this page for California Family Code § 4055 guideline and related public materials. Data as of 2026-07-22.

Should I book a lawyer after using the California estimator?

If you need a court order, modification, or enforcement help in California, booking a family law consultation is the next step after this educational estimate.

Sources

Data as of 2026-07-22.

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