BODY MASS INDEX

(B.M.I.)

Calculating B.M.I.

Weight (kg) = B.M.I. (kg/m2)

Height2 (m2)

Interpreting B.M.I.

• < 18 = Underweight• 20-25 = Normal range• 25-30 = Overweight• 30-35 = Obese (Grade I)• 35+ = Obese (Grade II)

B.M.I. Graph

Stature-for-age/Weight-for-age– BOYS – 2 to 20 years

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Length-for-age/Weight-for-age – BOYS – Birth to 36 months

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Head circumference-for-age/Weight-

for-length - BOYS – Birth to 36 months

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Weight-for-stature– BOYS

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Length-for-age/Weight-for-age– GIRLS – Birth to 36 months

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Stature-for-age/Weight-for-age– GIRLS – 2 to 20 years

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Charts - Pe

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Head circumference-for-age/Weight-for-length – GIRLS – Birth to 36 months

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Charts - Pe

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Weight-for-stature– GIRLS

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Online B.M.I. Calculator

• Link to this website for a B.M.I. Calculator:

Click here