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  
#761 Keith 2018-10-22 06:13
Hey I turned 15 in September and I weigh 144 lbs am I overweight because I look at my stomach and it’s flat. What should I do since I play soccer like 3x a week for like an hour
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#760 bella 2018-10-22 02:52
Hi i'm 13 125 lbs and 5'1 but i workout and i have a flat stomach. Am I overweight?
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#759 Ember 2018-10-21 22:36
I’m about to turn 15 and I am 5’2 and 92 lbs. Is this healthy? I don’t really exercise much, and my friends are always telling me I need to
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#758 Ryan Ellis 2018-10-18 02:39
Hi, I am 13 years old, 223 lbs and 6'1''. Am I overweight or obese?
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#757 Tayla 2018-10-16 15:00
Quoting Tiffany Collins:
Quoting Barbara Bayona:
This is why kids have such an unhealthy look at themselves. It really depends on the child and on the circumstances. The cdc really needs to update their website. Too many young kids are hurting themselves because they looking at numbers!


Very true

Very true. But it’s hard not to believe you are fat when even your family tells you that you are fat.
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#756 Tayla 2018-10-16 14:41
Quoting Alyssa:
Quoting Alyssa:
I weigh 115lbs. I am 5’1 and I worry about getting fat. Am i overweight? How can I lose this weight?
I’m 13 years old.

You are not over weight. I would just be careful because, as the dials suggest, you have the possibility to be over weight. Just watch what you eat and excercise.
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#755 Tayla 2018-10-16 14:36
Quoting Autumn:
Hi. I just turned 12 and I am 5 foot 1 and 103 lbs. Am I over weight?

Quoting Autumn:
Hi. I just turned 12 and I am 5 foot 1 and 103 lbs. Am I over weight?
no. You are not over weight. If you turn the dials to match your description, you will see that you are, in fact, a healthy weight for your age, height and sex.
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#754 Tayla 2018-10-16 10:15
I am an 11 and 3/4 year old female. I was 5ft 1in last time I was measured in March. I was about 8 stone when I was measured too. I am eating healthy now. Am I fat? I feel like I am so I’ve started purging.
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#753 Alexis 2018-10-15 07:29
Hey I'm 11 and last time I checked I weighed 14.8
Am I over weight and how can I lose pounds cause I hate eating Vetabiles or whatever.
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#752 Autumn 2018-10-15 03:22
Hi. I just turned 12 and I am 5 foot 1 and 103 lbs. Am I over weight?
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#751 Alyssa 2018-10-15 01:55
Quoting Alyssa:
I weigh 115lbs. I am 5’1 and I worry about getting fat. Am i overweight? How can I lose this weight?
I’m 13 years old.
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#750 Alyssa 2018-10-15 01:52
I weigh 115lbs. I am 5’1 and I worry about getting fat. Am i overweight? How can I lose this weight?
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#748 Tiffany Collins 2018-10-11 13:30
Quoting Kinsli Harris:
My names Kinsli and I'm 11 and 5"2 and weigh about 85 pounds. I cheer about 7 hours out of the week so I'm always going somewhere. Am I overweight✌️️

You are not overweight. In fact, you’re pretty thin for your age and height.
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#747 Tiffany Collins 2018-10-11 13:24
Quoting Meg:
Hi, I am almost 13 and I weight 90.6 lbs do I need to loose weight because my friends weight a lot less but aren't any skinnier tan me?


Hi Meg, 90.6 lbs is a healthy weight for someone your age.
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#746 Tiffany Collins 2018-10-11 13:03
Quoting Barbara Bayona:
This is why kids have such an unhealthy look at themselves. It really depends on the child and on the circumstances. The cdc really needs to update their website. Too many young kids are hurting themselves because they looking at numbers!


Very true
Quote
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