Free Baby Growth Calculators
Professional-grade tools using official WHO Child Growth Standards. Check your baby's percentiles for weight, height, and head circumference.
Baby Weight Percentile Calculator
Find out how your baby's weight compares to other children of the same age and sex. Uses WHO weight-for-age standards for children 0-5 years.
Baby Height Percentile Calculator
Check how your baby's height (or length) compares to WHO standards. Supports both recumbent length (0-2 years) and standing height (2-5 years).
Baby Head Circumference Calculator
Monitor your baby's head growth with WHO head-circumference-for-age standards. An important indicator of brain development in early childhood.
Why Use WHO Growth Standards?
Global Standard
Based on 8,500+ children from 6 countries, representing optimal growth conditions.
Pediatrician Approved
The same standards used by healthcare professionals worldwide.
LMS Method
Precise percentile calculations using the Box-Cox power transformation.
Want to Track Growth Over Time?
A single measurement is just a snapshot. LogInfant Premium lets you track all three metrics over time, visualize trends with WHO percentile curves, and generate reports for your pediatrician.
Start Tracking FreeMedical Disclaimer
These calculators are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding your child's health and development. Calculations are based on World Health Organization (WHO) Child Growth Standards.