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  

#1066 KateLynn EM. Cox 2021-01-25 20:20
Are 93 pounds obese for a 10-year old female that is 4'9 or 4'10? Quarantine has me only watching anime but I also go skateboarding if I feel like it
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#1065 Emma 2021-01-25 01:36
Hi I’m 11 and 6”1 and I weigh 124.3 is that fat?
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#1064 Nina 2021-01-25 00:08
Hello! I'm a 12 year old girl who's 5.4 and 119 pounds. Am I fat?
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#1062 Tiiff 2021-01-23 03:40
Baby doll! Your awesome & amazing! Your beautiful. Your important to our Heavenly Father Jehovah.
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#1061 Alix 2021-01-22 03:25
Hi. I'm a 13.5 year old female, 5'6, and weigh 120 lb. I'd like to lose at least 20 pounds, so if anyone has any tips I'd really appreciate it.
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#1060 Aaliyah 2021-01-22 01:07
Hi I’m Aaliyah and I’m 11 years old an I’m 4’11, I weigh 114 pounds and I feel fat because most of my friends are really skinny what can I do to lose weight?
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#1059 harmony 2021-01-21 19:46
hi I'm 13 year old female I'm 4 foot 8 and i weigh 93 ponds is that good ?
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#1058 Merle 2021-01-21 19:35
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#1057 Mel 2021-01-20 08:48
Hi I’m 13, and I weigh 245 lbs and I’m always hurting like my heart and ribs but nobody even knows and I’m just saying this because I have no one to talk to but ya.
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#1056 :/ 2021-01-20 01:45
[quote name=":/"]!!POS SIBLE TW IDK!!
hi im 12, 5'3, and 84 pounds. is that overweight or underweight? i know I'm on the bit smaller side but idk if I'm average or anything else. I'm honestly tired of all the beauty standards I try so hard to look like the girls on the internet, I've been eating less that 1000 calories a day and I try to work out and idk at this point, all I want is a small waist and a thigh gap. i have such a small torso its so hard for me to have an hourglass figures, any tips to have a longer torso?? idk what the point of this comment was I'm just tired of it all and I really want to lose more weight and look skinnier if anyone has tips plz tell me! I'm desperately trying to get a thigh gap so please tell me how if you know[/lol nevermind I just went to the doctor and I'm 87 I fcking gained weight and I cried in the middle of the doctors office lolololol]
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#1055 Ethan Browning 2021-01-19 07:01
Hi, im 15, male, 6'3" and 310lbs, i can run without losing my breath, and i am very strong, i do weight training, but i have a lot of fat on my midsection and i am classified as obese, am i that overweight?
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#1054 :/ 2021-01-19 06:17
!!POSSIBLE TW IDK!!
hi im 12, 5'3, and 84 pounds. is that overweight or underweight? i know I'm on the bit smaller side but idk if I'm average or anything else. I'm honestly tired of all the beauty standards I try so hard to look like the girls on the internet, I've been eating less that 1000 calories a day and I try to work out and idk at this point, all I want is a small waist and a thigh gap. i have such a small torso its so hard for me to have an hourglass figures, any tips to have a longer torso?? idk what the point of this comment was I'm just tired of it all and I really want to lose more weight and look skinnier if anyone has tips plz tell me! I'm desperately trying to get a thigh gap so please tell me how if you know
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#1053 Sam 2021-01-17 03:02
Hi, my name is Sam I’m 11, 5’2, and 138 pounds. I have very low self esteem, due to my weight. I will do a 45 min spin class, and end up puking. While eating 650 calories all day. By night I end up eating way too much, and I end up just feeling fat again. I have been doing this since I was 8 years old, I’ll often resort to touching my tonsils to puke, so I will lose weight, and it only makes me feel more fat when I see these comments from 15 year old girls complaining that they are 90 lbs. In elementary school other kids on my bus would often say “fat boy can’t resist candy” or a lot of other things. I’m feeling a little bit better typing all this, and I am desperately trying to lose weight.
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#1052 anonymous 2021-01-16 17:32
Hi, I am 15yr old female, I want to be anonymous... but anyways, I have been working so hard to lose weight. I weight around 158.. give or take and I am 5'5. I looked on a website and it said I am over weight. I've always been self conscious about my body especially my tummy. Anyways, I've been following the calorie deficit "My Fitness pal" gave me, 1400 calories. I calculated it on my own and I should be actually consuming 2000 calories a day (to still be in a deficit for my size). The thing that makes me so upset and frustrated it that I play soccer for my high school, ride my mountain bike and I heavy weight lift, and I am STILL NOT LOSING WEIGHT on 1400 calories. :< Like why? I will say that I have a very "womanly" body, so I could hold weight in certain areas but IDK? I am very muscular. But what I am worried about is going up to a 2000 calorie deficit bc I am scared I am gonna gain weight, but eating 1400 doesn't give me enough energy. :(((((((((
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#1051 Olivia 2021-01-16 04:35
hi i'm Olivia and i'm 11 years old i'm 5'2 and 114 pounds- i feel fat compared to all of my friends and idk if it's because i do gymnastics or because of puberty but i don't like it
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#1050 Akki 2021-01-16 00:55
Hi, I am 133.6 lbs, and just over 5 feet and 11 years old, what weight should I be? I’m pretty wide as well.
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#1049 Ashlyn 2021-01-15 15:44
Hi! My names Ashlyn. I always feel very fat but I don’t know if I am overweight. I’m 12 years old, my height is 5’0, and I weigh 91lbs. Am I overweight or overthinking?
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#1048 Julie 2021-01-14 21:48
Hi, im a 14 year old, im 5'3, i currently weigh
57.9kg, i feel fat and i have alot of fat on my
Legs and stomach, is there anything i can do to
Maybe loose the weight?
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#1047 M 2021-01-14 17:01
Quoting noel:
hi im noel im 12 years old and im 160 lbs i play basketball and eat healhy and aalso dont eat that much why am i gaining so much i feel fat and ashamed to tell or show my weight am i fat?


You're not fat, trust me. As long as you're staying healthy and eating healthy, you should be fine. I think gaining weight is a part of puberty, but I'm not sure. If you have concerns, you can bring it up with your doctor
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#1046 noel 2021-01-13 22:21
hi im noel im 12 years old and im 160 lbs i play basketball and eat healhy and aalso dont eat that much why am i gaining so much i feel fat and ashamed to tell or show my weight am i fat?
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#1045 Kate 2021-01-12 11:09
Quoting Ashley:
Im a 14 year old female, 4'10 and I weigh 85 pounds. Is there any good ways for me to quickly gain weight?

Ashley, 85 lbs is actually a healthy weight. Considering your height, your age, and your weight, your BMI leans towards the lower-side of the average range. So don’t feel bad!
If it makes you feel any better, I’m 16, 5’2, and 84 lbs. have a great day ❤️
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