Maintenance Fluids Calculator (Pediatrics)

Calculate pediatric IV fluid rates using the 4-2-1 rule.

Medical Disclaimer

This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Holliday–Segar Method

Child Weight (kg)

Standard 4-2-1 clinical rule: 4mL/kg for first 10kg, 2mL/kg for next 10kg, 1mL/kg for remainder.

Maintenace Hourly Rate

50mL/hr

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About Maintenance Fluids Calculator (Pediatrics)

This calculator is designed to simplify the accurate determination of pediatric intravenous (IV) fluid maintenance rates. It rigorously applies the widely recognized '4-2-1 rule' (4 mL/kg/hr for the first 10 kg, 2 mL/kg/hr for the next 10 kg, and 1 mL/kg/hr for every kg thereafter) to provide precise fluid recommendations. This tool is invaluable for pediatricians, residents, nurses, and other healthcare professionals involved in the care of children. By automating this critical calculation, it significantly enhances precision, minimizes the risk of medication errors, and saves valuable time in fast-paced clinical environments. Its purpose is to support safe and effective fluid management, ensuring pediatric patients receive optimal hydration according to established clinical guidelines.

Medical Disclaimer

Holliday–Segar Method

Child Weight (kg)

Standard 4-2-1 clinical rule: 4mL/kg for first 10kg, 2mL/kg for next 10kg, 1mL/kg for remainder.