Pediatric Estimated Weight

Estimates a child's weight from age with APLS formulas for emergencies when a measured weight is unavailable.

What you enter

• Age band
• Age ((months for infants, years otherwise))

Reference

APLS age-based formulas, estimates only

Related tools

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• Pediatric Maintenance Fluids: Holliday–Segar daily volume and 4-2-1 hourly rate.
• Pediatric BMI: BMI for children, interpret against growth percentiles.
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• F-75 / F-100 / RUTF Schedule Engine: F-75 / F-100 / RUTF volumes by weight and SAM phase.
• Estimated Due Date: Naegele’s rule with cycle adjustment, or from conception date.
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• Gestational Age Calculator: GA in weeks + days from LMP or from a known EDD.

All 63 clinical calculators

Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.