WHO Equation

Males

 WHO EQUATION: MALES

Weight      (kg)

0-3 years         

3-10 years         

10-18 years         

 

WHO Equation Formula for Males
 

Age

W=weight in kg

0-3 years

60.9W - 54

3-10 years

22.7W + 495

10-18 years

17.5W + 651


Females

 WHO EQUATION: FEMALES

Weight      (kg)

<3 years         

3-10 years         

10-18 years         

 

WHO Equation Formula for Females
 

Age

W=weight in kg

0-3 years

61.0W - 51

3-10 years

22.5W + 499

10-18 years

12.2W + 746

Source: Energy and Protein Requirements. Reports of a Joint FAO/WHO/UNU Expert Consultation. Technical Report Series 724. Geneva: World Health Organization; 1985.