Body Mass Index Children US

BMI children USThis module calculates Body Mass Index for children from age 2 to age 18 and classifies the result according to the guidelines given by the U.S. Department of Health & Human Services. It also has an optional evaluation of height in relation to age.

Instructions:
1. Enter values for gender, height and weight.
2. The result is interpreted within four categories: Underweight (<5th percentile), Healthy weight (5th-85th percentile), Overweight (85th-95th percentile) and Obese (>95th percentile).
3. Please note, that BMI is only a very rough predictor for overweight in individuals.

BMI
Percentile
17.8
OK
40
Height
lbs
80
Weight
ft' in''
4'11"
Age
Yrs
12

 


Background

For adults, the body mass index limits for overweight and obesity are straight forward (overweight = BMI > 25 and obesity = BMI > 30). For children this is much more complicated as the limits vary a lot depending on age. This calculator uses the US guidelines that are based on fixed percentiles from a large reference population. 

A BMI of 20 indicates obesity in a 6 year old girl, whereas it would represent healthy weight for a 13 year old girl. However, as growth of children varies, the final evaluation should always be based on a several factors including physical growth, muscularity and subcutaneous fat deposits.

The calculator also includes the possibility to evaluate height in relation to age. If the child/youth scores in the high percentile range on height (above average) this could indicate that physical development is ahead of chronological age. As higher BMI is expected with increasing age (above age 6), this information can assist in a qualified evaluation of BMI.

References

The Centers for Disease Control and Prevention (CDC). BMI - Body Mass Index: BMI for Children and Teens.

Mei Z, Grummer-Strawn LM, Pietrobelli A, Goulding A, Goran MI, Dietz WH. Validity of body mass index compared with other body-composition screening indexes for the assessment of body fatness in children and adolescents. American Journal of Clinical Nutrition 2002;7597–985.

Hammer LD, Kraemer HC, Wilson DM, Ritter PL, Dornbusch SM. Standardized percentile curves of body-mass index for children and adolescents. American Journal of Disease of Child. 1991; 145:259–263.

Pietrobelli A, Faith MS, Allison DB, Gallagher D, Chiumello G, Heymsfield, SB. Body mass index as a measure of adiposity among children and adolescents: A validation study. Journal of Pediatrics. 1998; 132:204–210.

 

Comments  
#636 Terren 2018-06-21 16:52
I am 18 years old, 5'5, and 144 pounds. Am I overweight? It says healthy on this site, but I feel like maybe this isn't true. Am I just being too insecure?
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#635 Ava 2018-06-19 20:20
Hello my name is Ava and I'm 13 and will be 14 in September. I am around 5 foot 3 1/2 inches and weigh around 160 pounds. I do dance and have a lot of leg muscles, a lot of muscles because of point / ballet, and I'm proportioned ok I guess so I don't look super chubby. Am I over weight or obese, because I want to loose weight but i don't know if a lot of the weight is because of muscles.
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#634 Kiki 2018-06-19 02:30
I am a 12 year old girl, I am 5"6 and weight 171lb... In my opinion I am overweight. Any thoughts on how to help??
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#633 Mack 2018-06-16 01:04
I am 13 years old. I am 5"3 and 142 pounds. I feel absolutely obese. Am I?
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#632 Stephanie 2018-06-15 16:56
This is a horrible site for Kids. Do not use this Site, the comments are not regulated and don't listen to these horrible comments. Who ever owns this site needs to fix it!

Concerned Mother
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#631 808Raider 2018-06-15 13:54
First of all, I want to know who is responsible for this site? I am shocked, upset, furious, and just flabbergasted at the admin, do you folks even go through what these ignorant people are saying to these kids? They are reaching out to you all for help and they have to be subjected to these ignorant comments that are of no help to them, do you guys not filter out all these negative and horrible comments before letting people just post hurtful things like that? This is why there are so many kids hurting themselves and going off the deep end. I truly hope that whoever is in charge of this website reads this and does something about this and soon!
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#630 808Raider 2018-06-15 13:37
To whoever wrote this nasty comment to this person, all I can say to you is I hope and pray that you will never have to experience or go through something as hard as this, if all you can do is say ignorant things like this and ridiculous feedback that is not helpful at all, why do you even bother. You have no right to judge people because I can guarantee you this, YOU ARE NOT PERFECT IN ANYWAY. If you can't be helpful I suggest that you keep your nasty and hateful comments to yourself.
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#629 Ella 2018-06-13 05:02
I'm 13 years old and will be 14 in September I am 5"2 and 104 lb I feel fat and feel like I look fat I want to lose 10 or 20 lb what is the heathy way ?
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#628 Darts Vader 2018-06-12 03:11
[quote name=alex] I just turned 14 and I’m 5’0 tall and I weigh 86 pounds. I feel bloated all the time but when I go on the scale it says I weigh the same?
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#627 Natalie 2018-06-08 19:10
Hi, I am 13 years old and 5”4 and I am 145 but my dad is built very big, so am I too fat
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#626 Jenna prinkey 2018-06-04 01:27
Hi I'm jenna I'm 12 years old and Im 5'6 and I weigh 233 pounds am I healthy or should I loss weight
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#625 Tyler 2018-06-03 08:37
I’m 15 years old, I’m 5’11 and currently 218 pounds. But the thing is I don’t look like I’m 218lbs but I wanna lose at least 46 pounds. My dad used to be 270 but now he is 119 and my mom before she died in 2016 was 178. My brother Christian is 240 pounds but he is 6’1 and 21 years old
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#624 Jenny 2018-05-28 19:54
IM 14 , 5’0 , and 135 lbs. is that okay for my age ?
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