Calculating Child Support in California

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The Formula For Calculating Child Support In California

In calculating the amount due for child support in California, courts rely on a state law which creates an algebraic formula.

The formula for calculating child support in California is as follows:

CS = K[HN-(H%)(TN)]

CS = Total child support owed
K = A factor of both parents’ income allocated for child support. This varies based on the number of children involved.
HN = The highest earner’s net disposable income
H% = The highest earner’s approximate percentage of time in which he or she has physical custody of the child
TN = Both parties’ combined net disposable income

An online calculator which applies this formula can be found here: http://www.alllaw.com/calculators/childsupport/california/

California courts will assume that the number reached by applying this formula is the correct one. However, they have some discretion to increase or lower the amount of child support paid if the circumstances warrant it.

The parties may also come to an agreement amongst themselves concerning child support, if the court determines that the amount is sufficient to provide for the child.

Some deductions may be made, such as union dues, state and federal income tax, and health insurance premiums. Also, child support paid to another party may be deducted.

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Last Modified: 07-20-2011 02:02 PM PDT

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