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Child Growth Percentile

Convert height and weight into WHO percentiles and z-scores. The P3, P50 and P97 curves for the same sex and age are drawn with your child marked.

Open Child Growth Percentile →

How to use it

Sex and birthday

WHO tables are split by sex and exact age.

Latest measurements

Use the most recent height and weight measured the same way.

Read percentile and curve

One percentile is a hint; the trend across visits is the signal.

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Make space for what matters

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FAQ

Is P30 underweight?

No. Anything between P3 and P97 is common; watch growth along the curve.

Is the data uploaded?

No. The WHO tables ship with the page and the maths runs locally.

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