How Indiana Calculates Child Support
Indiana uses the Income Shares model to determine child support obligations. This page explains the guidelines, formula, and key factors.
Model Type
Income Shares
Income-shares schedule based on combined weekly gross income of both parents and number of children; each parent's obligation prorated by income share; uses weekly income format; adjusted for parenting time (credit for overnights) and add-ons.
Income Basis & Definitions
gross (weekly)
Selects the base-support amount from the Indiana Child Support Guidelines schedule.
Source: Indiana Child Support Guideline ScheduleParent A weekly gross income used by guideline.
Source: Guideline 3: Definition of weekly gross incomeParent B weekly gross income used by guideline.
Source: Guideline 3: Definition of weekly gross incomeParenting Time Handling
Calculator applies parenting time credit based on overnights.
Source: Guideline 6: Parenting Time CreditNumber of overnights per year for the noncustodial parent.
Source: Guideline 6: Overnight credit calculationDeductions & Adjustments
Credit for support of other children (court-ordered or legally required).
Source: Guideline 3(G): Other dependent childrenSpousal maintenance paid adjusts weekly gross income.
Source: Spousal maintenance adjustmentAdd-Ons & Allocation
Work-related childcare costs added and allocated between parents.
Source: Guideline 5: Childcare expensesChild's health insurance premium and uninsured medical expense allocation.
Source: Guideline 5: Health insurance and medical expensesCaps, Minimums & Deviations
Schedule caps at a combined weekly income; above-cap is court discretion.
Source: Maximum schedule incomeDeviation allowed for enumerated factors; requires written findings.
Source: Guideline 1: Deviation criteria