How Is Child Support Calculated in Arizona?

October 10, 2026

How Is Child Support Calculated in Arizona?

One of the most common questions parents have during a divorce or custody case is: How much will child support be?

Arizona uses the Arizona Child Support Guidelines and an “Income Shares Model,” which considers the income of both parents when calculating support.


What Factors Affect Child Support?

The calculation may consider several factors, including:

  1. Each parent’s income
  2. The number and ages of the children
  3. How much parenting time each parent has
  4. Health, dental, and vision insurance costs
  5. Childcare expenses
  6. Certain education or extraordinary expenses
  7. Spousal maintenance and support obligations for other children


Arizona then applies the Child Support Guidelines to determine each parent’s proportionate share of the child’s financial needs and adjusts the amount based on parenting time and other qualifying expenses.


Does 50/50 Parenting Time Mean No Child Support?

Not necessarily. Even when parents have equal parenting time, one parent may still pay child support, particularly when there is a difference in the parents’ incomes or one parent pays certain expenses for the child.


Can You Estimate Child Support?

The Arizona Judicial Branch provides an online Child Support Calculator that can provide an estimate based on the Guidelines. However, the final amount can vary depending on the facts of your case, and courts may deviate from the Guidelines when legally appropriate.

https://superiorcourt.maricopa.gov/llrc/child-support-calculator/


Have Questions About Child Support?

Whether you are establishing child support for the first time or believe an existing order should be modified, Wheeler Law PLLC can help you understand how Arizona’s Child Support Guidelines apply to your situation. Contact our office to schedule a consultation.


This article is for general informational purposes only and does not constitute legal advice.


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Disclaimer: The information provided in this blog is for general informational purposes only and does not constitute legal advice. Reading this blog does not create an attorney-client relationship with Wheeler Law.

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