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A BMI below the 5th percentile is underweight, and a BMI below the 3rd percentile is severely underweight. Here are all the weight ranges for ages 2-20:

100th Severely Obese

95th - 99th Obese

85th - 94th Overweight

5th - 84th Healthy

3rd - 4th Underweight

0th - 2nd Severely Underweight

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Q: What percentile BMI standard for teens is underweight?
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Related questions

What BMi percentile is overweight for teens?

25 or greater


What weight is considered overweight for an eleven year old girl?

If you wish to determine if you are overweight the following information may help:The following is the typical information that is used to determine if a child is underweight, normal weight, overweight, or obese; you must start with a children's weight chart, in which you simply plan/plot your height, BMI (Body Mass Index) and weight to determine where you fall with others children of your age group.Now to determine if you are underweight, the BMI should be below the 5th percentile; if you are of normal weight, the BMI should be at the 5th percentile but less than the 85th percentile; if your are overweight, the BMI should be the 85th percentile but below the 95th percentile; and finally, if you are of obese weight, the BMI is at or above the 95th percentile.


Is a Bmi of 20 underweight?

A bmi of 20 is not underweight, but is still a lower than average bmi. For the average adult, under 18.5 is underweight, and 18.5 to 24.9 is a healthy weight.


What does your bmi have to be to go to hospital For being underweight?

18.5, i thinks. hope i helped :)


What does it mean if your bmi is too low?

They are underweight and need to gain weight


What are the four levels of BMI?

Underweight Normal Overweight Obese


Is a bmi of 15 to 16 bad?

Nope, that's a pretty good average healthy bmi


Can someone with a bmi of 17.7 be admitted to hospital?

Yes, a person with a BMI of 17.7 could be admitted to the hospital. A 17.7 BMI is considered underweight.


How do you get a BMI of 15.3?

A BMI of 15.3 is severely underweight, and not healthy at all. The minimum one's BMI should be is 18.5, unless you're under 18.


Is the 69th percentile good on a bmi calculator?

Yes the 69th percentile result is considered in the healthy range.


What does a BMI of 18.35 mean?

A BMI of 30 or higher is considered obese.


If you have a bmi of 20.5 do you need to lose weight?

No. 20.5 is on the underweight side of normal. A normal BMI is between 18.5 and 24.9.