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Body surface area calculator

Calculate body surface area from weight and height.

Enter body weight in kilograms or pounds, body height in centimeters or inches. Get the resulting body surface area.

Body Surface Area Calculator
Enter the following data
body weight
body height
Body surface area  square meters
Automatic recalculation 
Dubois & Dubois formula


  • Boothby WM. Sandiford WM. Nomographic charts for the calculation of the metabolic rate by the gasometer method. Boston Med Surg J. 1921.
  • Dubois D, Dubois EF. A formula to estimate the approximate surface area if height and weight be known. Arch Intern Med. 1916.
  • Dubois EF. Chapter VII: The estimation of the surface area of the body. IN: Dubois EF. Basal Metabolism in Health and Disease 3rd Edition. Lea & Febiger. 1936.
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