Now lets calculate our BMI or body mass index.
Lets say Sandra is 1.60 meters tall and weighs 70 kilos.
1.60 x 1.60 = 2.56
70 ÷ 2.56 = 27.34
Sandra's BMI is 27.34
From the BMI chart given below, you can see that Sandra is overweight.
Normal BMI is between 18.5 and 25.
BMI - CHART
Severely underweight
less than 16.0
Severely underweight
less than 16.0
Underweight
from 16.0 to 18.5
Normal
from 18.5 to 25
Overweight
from 25 to 30
Obese Class I
from 30 to 35
Obese Class II
from 35 to 40
from 35 to 40
Obese Class III
over 40
So what is the ideal weight range for Sandra?
18.5 x 2.56 = 47.36 Kg
25 x 2.56 = 64 Kg
The ideal weight range for Sandra is between 47.36 and 64 kilos.
referred source: Wikipedia
http://en.wikipedia.org/wiki/Body_mass_index
http://en.wikipedia.org/wiki/Body_mass_index