In one of my projects I needed the BMI Calculation Info

BMI = Weight in Kilograms / (Height(m) X Height(m))

BMI Table

  • A BMI of less than 18 means you are under weight.
  • A BMI of less than 18.5 indicates you are thin for your height.
  • A BMI between 18.6 and 24.9 indicates you are at a healthy weight.
  • A BMI between 25 and 29.9 suggests you are overweight for your height.
  • A BMI of 30 or greater indicates obesity. If you are obese, try consulting a doctor or losing weight. 


The BMI is a pretty good indicator for the average person from age 25 to 65. But it has its limitations. It does not take into account muscle mass or your overall body type ("apple" vs. "pear" body types).

Recent research has found that the waist to hip ratio provides a much better indicator than BMI of whether an individual has too much body fat. Generally the waist to hip ratio should not exceed about 0.9 for men and 0.8 for women. Higher ratios indicate an increased risk of stroke, diabetes, and heart attack.

BMI is actually just a guideline and should not be used if one has access to a Skinfold test or a BIA (Bio-electrical impedance analysis). These tests measure the total amount of body weight that is from fat. This method is far more accurate and readily available at most gyms. Some home BIA tests are available via scales that also measure BIA. There are other methods that have a lower variance but are expensive, invasive and difficult to perform.

Some people weigh more because of muscle, not fat so the BMI test is not always correct



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