Pediatric Maintenance Fluids Calculator
Daily fluid needs by weight (Holliday-Segar).
Your result
The 100-50-20 rule estimates maintenance needs. Fever, vomiting or illness change requirements.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Pediatric Maintenance Fluids Calculator do?
Daily fluid needs by weight (Holliday-Segar). Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: how much fluid does a child need; dehydration fluid plan; iv fluid rate children.