# What is my child’s percentile?

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A percentile shows the relative position of the child’s BMI, Weight, or Height among children of the same sex and age. For example, a boy at the 25th percentile for weight weighs more than 25% of boys his age. If a girl is at the 40th percentile for weight, she weighs more than 40% of girls at that same age.

## What percentile should my 6 year old be?

This is easiest to explain by example: If your 6-year-old son is in the 40th percentile for weight and the 80th for height, that means 40 percent of 6-year-old boys in the United States weigh the same as or less than your child, and 60 percent weigh more.

## What is a healthy BMI for a boy?

According to the Centers for Disease Control and Prevention, or CDC, kids with BMIs between the 5th and the 85th percentiles fall within a normal, healthy range. However, if you’re child’s BMI is at the 85th percentile or above—based on his gender and age—he is considered overweight or obese, according to the CDC.

## Is 5th percentile good or bad?

A small-framed girl at the 19th percentile for height could be at the 5th percentile for weight and be at a healthy weight. But a girl at the 90th percentile for height and the 5th percentile for weight could be dangerously underweight.

## When should I be concerned about my child’s height?

It’s typically considered a medical issue if they’re smaller than 95 percent of children their age, and their rate of growth is slow. A growth delay may also be diagnosed in a child whose height is in the normal range, but whose rate of growth has slowed.

## How is percentile calculated?

Percentile Formula

1. Percentile = (n/N) × 100.
2. Percentile = (Number of Values Below “x” / Total Number of Values) × 100.
3. Example 1: The scores obtained by 10 students are 38, 47, 49, 58, 60, 65, 70, 79, 80, 92. …
4. Solution:
5. Example 2: The weights of 10 people were recorded in kg as 35, 41, 42, 56, 58, 62, 70, 71, 90, 77.

## Are baby percentiles accurate?

While the percentiles don’t have to match up exactly, they should be within a 10 to 20 percent range of each other. If length is 85th percentile but weight is 15th percentile, your baby might be underweight.

## Is baby dropping percentile normal?

Such fetuses may be expected to demonstrate declining growth trajectory across pregnancy, although they do not fall below the 10th centile before birth.

## What does it mean if my child is in the 99th percentile?

Above the 97th percentile to the 99.9th percentile is overweight. Above the 99th percentile is obese.