Percentile summary
Choose the measurement, sex, age (years and months), and current value to understand the position on the curve.
Child & Baby Weight Percentile Calculator (WHO)
Calculate your baby or child's weight percentile using WHO charts. Check if their weight is healthy for their age and track their growth curve.
Child growth percentiles
Check how your child compares with WHO growth curves (0-6 years) for weight, height or head circumference. We add a projected line if they remain on the same percentile.
Comparative curve
Age (years/months)
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Suggested article
Weight Percentile (WHO): A Parent's Guide
Understand if your child's weight is appropriate for their age and how to spot growth issues early.
Read the full article →
Weight percentile guide
Weight is a sensitive indicator of current nutrition. Sudden shifts in weight percentile are often the first sign of a health or feeding issue.
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