Child Support
Calculator
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About
Contact
Select State
Illinois Child Support Estimator (2025)
Includes
Shared Care (146+ Overnights)
& Multi-Family Logic
750 ILCS 5/505 Compliant
Income Mode:
I entered NET (Precise)
Parent 1
Monthly Income (Net)
Overnights per Year
Multi-Family Adjustment (Paid for other kids)
Parent 2
Monthly Income (Net)
Overnights per Year
Multi-Family Adjustment (Paid for other kids)
Shared Expenses & Children
Number of Children
Monthly Health Insurance (Kids only)
Monthly Child Care (Work Related)
Calculate Support
Official Illinois Resources & References
Calculators
cscwebext.hfs.illinois.gov
www.illinoislegalaid.org
Guidelines & Law
2024 Obligation Schedule
Gross to Net Conversion
750 ILCS 5/505
Court Forms
Financial Affidavit
HFS Forms Library