See where your child sits on the curve
Enter your child’s age and a measurement—weight, height/length, or head circumference. We match the closest point on the appropriate growth standard and show a clear percentile with a visual chart.
Track percentiles from infancy through childhood.
See trends and compare to age-based norms.
WHO standards available for 0–24 months.
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Standards: WHO references for under 24 months; CDC charts for 24 months and older.
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Closest-age match: We interpolate to the nearest age point for a smooth, readable percentile.
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Units: Enter values in your preferred units; we show both metric and imperial for convenience.
Percentiles are reference comparisons—not pass/fail grades. Always discuss specific concerns with your pediatrician.
- Accurate, recent measurements
- Consistent technique (same scale/tape)
- Regular updates to spot trends
- Individual growth varies
- Illness, nutrition, and genetics matter
- Charts are guides, not guarantees
Do you use WHO or CDC charts?▾
WHO for children under 24 months; CDC for ages 24 months and older.
What measurements can I track?▾
Weight, height/length, and head circumference (head size up to 24 months).