Calculating Body Mass Index BMI

1
Calculating Body Mass Index (BMI)

• Body Mass Index (BMI) is used to assess a persons
  body weight. The number given allows you to see
  if you are underweight, normal weight, overweight
  or obese
• Weight (Kgs) BMI
• Height(m) x Height(m)
• OR
• Weight (lbs) x 704.5 BMI
• Height(inches) x Height(inches)

2

• e.g
• You are 1.57m tall.
• You weigh 65kg.
• BMI 65 26
• (1.57 x 1.57)
• Calculate your BMI using the apparatus available.

3

• Compare your result to the weight status based on
  BMI
• Under 20 (19 for women) Under weight
• Between 20 and 24.99 Normal weight
• Between 25 and 29.99 Overweight
• Between 30 and 34.99 Obese Class 1
• Between 35 and 39.99 Obese Class 2
• 40 and above Extreme Obesity
• Extension What are the disadvantages of BMI
  when predicting weight?