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  
#719 Keziah 2018-09-18 18:13
im 5'5. I weigh 193. Im 15. I know I'm obese but my body doesn't look bad to other people.i have a flat stomach but my thighs are too big. What do I do?
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#718 Lmao wow 2018-09-17 01:26
Quoting Fabian:
I'm 13 years old (14 in a couple months), about 5'7and 187.4 pounds. Am I fat?


yes. in fact, you are obese.

lmao im 16, 5'7'' and only 115 pounds
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#717 Fabian 2018-09-16 03:13
I'm 13 years old (14 in a couple months), about 5'7and 187.4 pounds. Am I fat?
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#716 Emely 2018-09-14 05:14
I’m 11 and 150 lbs and I’m 5’3 am I over weight??
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#715 Stella 2018-09-10 23:03
I am 5’5/5’6 i am 13 years old and i weigh 138 lbs i feel fat compared to the other girls in my grade am i fat?
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#714 Ela 2018-09-10 07:56
I’m 14, 5’9 and 134 pounds. I’ve put on a lot of weight this year it’s mostly muscle and in my chest and butt area. Is this ok?
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#713 Lindsey 2018-09-09 23:24
I’m a 13 year old girl I’m 5’10 and 180lbs I look and feel fat but people say I’m not. Am I over weight?
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#712 Ava 2018-09-07 01:29
I am 11.5 and I weigh 164 and It says im obese but my mom says im not and my height is 5'4
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#711 Emily 2018-09-07 00:51
I just turned 12 and I am 5'6 feet tall. I weigh 102 pounds. My doctor says this is 40% lower than the average for my age and height. I still feel overweight because I gained quite a bit of weight (I used to be 98 pounds.) Am I actually overweight or...?
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#709 Dalia 2018-09-04 00:06
I’m twelve, 4’10, and 77 pounds. Is this a healthy weight for my age and height?
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#708 LEAN 2018-09-03 18:32
I am 18 years old about to turn 19... 5’3... & weighing 93 pounds. I feel so skinny & insecure about my body. All my friends and cousins have boobs and a butt and I feel like a stick all bony and tiny I hate it. I tried gaining weight but it’s hard. Like what do I have to do in order to gain ???!!!!
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#707 Kate 2018-09-03 16:58
Hi I’m twelve and my height is 5’4. I weigh 95 pounds. I feel fat even though everyone says I’m skinny. I can see my ribs and my stomach goes in. My goal is to weigh 70 pounds, but I know that’s underweight. What should I do?
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#706 jay 2018-09-03 05:03
i am 13 turning 14 in a month and i am 5,0 and 46kg (101 pounds). I feel like i am kind of fat for my height and all my friends are skinny and can wear bikinis unlike me. When i was younger i was super skinny and always more underweight then average or over. I try to work out but i just want to be skinny again. Am i fat for my height and age?
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#705 Kalie 2018-09-02 21:00
Hi I’m Kalie I’m almost 13 I am 5’6 I weigh about 1060 pounds and I’m really self conscious
What do I do???? Please help me!
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