Body Mass Index

Body mass indexThe Body Mass Index is a simple indicator of the relationship between your height and your weight. If your BMI is above 25 you are considered overweight and if your BMI is above 30 you are considered obese.

Instructions:
1. Measure your height and weight and enter values
2. Note that the intepretation of the result do not apply to people whith an abnormal muscle mass.

BMI
22.5
Normal weight
Height
ft' in''
170
Weight
lbs
143

Background:

Body mass index is a useful tool for assessing overweight in populations. It is however a very unprecise evaluation of overweight on an individual level as muscularity and general frame size of the body is not taken in to account.

Classification of overweight in relation to BMI

Classification
BMI (kg/m2)
Underweight
<18.5
Normal weight
18.5-24.9
Overweight
25.0-29.9
Obesity class I
30.0-34.9
Obesity class II
35.0-39.9
Obesity class III
> 40

 

References:

Preventing and Managing the Global Epidemic of Obesity. Report of the World Health Organization Consultation of Obesity. WHO, Geneva, June 1997.

Quetelet LAJ. Sur I'homme et le developpement de ses facultes, ou essai de physique sociale. Paris: Bachelier, 1835. (The original BMI-reference)

Comments  
#175 Brittney 2018-06-19 20:22
Hi I’m 16 years old. I weigh 150lbs and I am 5ft 2in. Am I overweight?
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#174 Hannah M Nelson 2018-05-27 23:29
I am 19 years old , I'm also 5'2" an I weigh 129.0 pounds am I at a good weight ?
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#173 Nathan 2018-05-06 07:19
"Hi,
I'm 19 years old. I'm not sure what my BMI is. I am currently 5'4 and weigh 102.0 pounds. Everyone believes I am anorexic which I don't believe I am and have a low metabolism. I do eat healthily just small portions. I am not sure what my "healthy" weight should be at."

You're not too far out of range. I knew of a girl at 15 or so that weighed 110, was 5'8" and had a great appetite like most teens. If you're lab values at physical are good, I don't think that you have anything to worry about. If you're experiencing issues with light headedness, dizziness or lack of energy, there may be a problem and you should talk to your doctor.
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#172 Randal 2018-04-18 03:46
I’m 17 and I’m 5’8 and I weigh 144 and it’s different for me I’ve always been under weight but now it’s normal I don’t understand how it can change
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#171 Marie 2018-04-16 04:49
Quoting ACE:
I am 5'3" and around 136 pounds. I am 13 years old. I feel like I am really overweight. I am trying to lose weight. Am I overweight?

No, you are not overweight bub. Also just so you know you shouldn't be concerned with weight. If you are a good person and spread kindness that will show in your appearance and you will radiate beauty. You're great the way you are buddy, but if you want to lose weight do it in a healthy way, please. Just drinking water can make you lose a good bit if you normally don't drink water too often. I hoped this helped you some! :)
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#170 Savannah 2018-04-08 01:25
Quoting Amy:
Hi,
I'm 19 years old. I'm not sure what my BMI is. I am currently 5'4 and weigh 102.0 pounds. Everyone believes I am anorexic which I don't believe I am and have a low metabolism. I do eat healthily just small portions. I am not sure what my "healthy" weight should be at.


Well it says you're just slightly underweight so maybe try to eat a little bigger portion or just stay the same. I don't think you're anorexic lol
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#169 Petra 2018-04-03 23:23
Hi im petra and im 5'2 and 160 lbs. The bmi says im over weight and ive been desperatley trying to loose it. I dont eat very much during normal days and i do ballet for 2 hrs 2x a week. I only gain weight on holidays and when i go back to my normal schedual i dont lose anything. Just maintain. Ive tried exercising more and i eat healthy and in small portions. But nothing works. Im the biggest i my ballet class and its embarassing. Please help.
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#168 Amy 2018-03-26 03:34
Hi,
I'm 19 years old. I'm not sure what my BMI is. I am currently 5'4 and weigh 102.0 pounds. Everyone believes I am anorexic which I don't believe I am and have a low metabolism. I do eat healthily just small portions. I am not sure what my "healthy" weight should be at.
Quote
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