Washington Child Support Calculator 2026

Free Washington child support estimator using the 2026 state guidelines

Washington uses the Income Shares model. Washington State uses Income Shares based on combined net monthly income under RCW 26.19.
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How Washington Calculates Child Support

  • ✓Washington uses net monthly income (after mandatory deductions)
  • ✓Residential schedule affects allocation between parents
  • ✓Standard calculations are provided on the Washington Courts website

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⚠️ Important Disclaimer

USLegalCalc.com provides estimates and document templates for informational purposes only. Results are not legal advice and vary by jurisdiction. Always consult a licensed attorney before making legal decisions.