Body Mass Index and Body Surface Area

Every effort has been made to ensure the accuracy of this programme, but you use it at your own risk.



Check to use feet and pounds

Body Mass Index: (Kg / metres squared)

Body Surface Area: (metres squared)

Formulae: BMI = (weight) / (height squared)
log (surface area) = log (weight) x 0.425 + log (height) x 0.725 + 1.8564
DuBois and DuBois Ann Intern Med,17,863 1916

Original JavaScript by Dr M R Holland, New Cross Hospital Wolverhampton