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BMI Body Mass Index
Metric Calculator |
This calculator provides calculation of BMI (Body Mass Index) in metric (m, kg) or US imperial units (ft, in, lb).
BMI Category Table
| BMI ( body mass index, kg/m2 ) Category Table: |
Severely underweight BMI
less than 16.5
BMI
Underweight body BMI
from 16.5 to 18.4
BMI
Normal
body BMI from 18.5 to 24.9
BMI
Overweight
body BMI from 25 to 30 BMI
Obesity (Class I) BMI
from 30.1 to 34.9
BMI
Obesity (Class II) BMI
from 35 to 40
BMI
Obesity (Class III) BMI
over 40
BMI
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| Example BMI for a person with height = 1.7 meters : |
body weight 47 kg at 170 cm = 16.26 BMI
body weight 50 kg at 170 cm = 17.30 BMI
body weight 60 kg at 170 cm = 20.76 BMI
body weight 80 kg at 170 cm = 27.68 BMI
body weight 95 kg at 170 cm = 32.87 BMI
body weight 110 kg at 170 cm = 38.06 BMI
body weight 130 kg at 170 cm = 44.98 BMI |
BMI (body mass index) is the person's body weight (in kilograms) divided by the square of his height (in meters) and measured in kg/m2. There is a need to use corrective coefficient In order to calculate the index in imperial units. BMI is used to estimate a normal body weight (a healthy body weight) based on a person's height. It's also called Quetelet index, is a measurement which estimates a proportion of person's weight and height. Body mass index is often used as diagnostic index to identify if individual is obese, overweight, normal or underweight. BMI was invented by Adolphe Quetelet (a Belgian scientist) between years 1830 and 1850.
Sample conversion: Somebody has weight 80 kilograms and is 170 centimeters tall - the BMI is going to be 27.68 after the calculator is used (Overweight body according the reference table). |
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