Alaska Child Support Calculator

Presumptive support is a percentage of obligor’s adjusted annual income (varies by number of children); shared/divided custody uses different formulas in Rule 90.3.

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We're building the Alaska child support calculator based on official state guidelines. In the meantime, review the inputs and sources below.

How Alaska Calculates Support

Model:Percentage of Obligor Income (Alaska Civil Rule 90.3)

Income Basis:adjusted annual income (obligor)

Formula:Presumptive support is a percentage of obligor’s adjusted annual income (varies by number of children); shared/divided custody uses different formulas in Rule 90.3.

What You'll Need

Number Of Children On Order*
Obligor Total Income*
Allowed Deductions To Adjusted Income*
Custody Type*
Preexisting Support Or Other Dependents
Spousal Support Adjustment
Annual Days Or Overnights
Work Related Childcare Costs
Medical Support Insurance Uninsured

* Required fields — optional items shown in gray

Learn More

How Alaska calculates child support

Need Help?

A family lawyer can help you apply these guidelines to your specific situation.

Official Sources

Alaska Civil Rule 90.3 (Child Support)