1. BODY MASS INDEX (B.M.I.)

2. Calculating B.M.I.
Weight (kg) = B.M.I. (kg/m2)
Height2 (m2)

3. Interpreting B.M.I. < 18 = Underweight 20-25 = Normal range
25-30 = Overweight
30-35 = Obese (Grade I)
= Obese (Grade II)

4. B.M.I. Graph

5. Stature-for-age/Weight-for-age – BOYS – 2 to 20 years
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

6. Length-for-age/Weight-for-age – BOYS – Birth to 36 months
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

7. Growth Charts - Percentiles
Head circumference-for-age/Weight-for-length - BOYS – Birth to 36 months
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

8. Weight-for-stature – BOYS
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

9. Length-for-age/Weight-for-age – GIRLS – Birth to 36 months
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

10. Stature-for-age/Weight-for-age – GIRLS – 2 to 20 years
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

11. Growth Charts - Percentiles
Head circumference-for-age/Weight-for-length – GIRLS – Birth to 36 months
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

12. Weight-for-stature – GIRLS
Growth Charts - Percentiles
Each child should follow a centile. The most common is the 50th centile.
Weight above centile = overweight / obese
Weight below centile = underweight

13. Online B.M.I. Calculator Link to this website for a B.M.I. Calculator:
Click here