Body Surface Area Calculator

Body Surface Area Calculator lets you the Mosteller formula estimates area as sqrt(height × weight / 3600). Enter your own values or load the worked example.

Method and calculation

The Mosteller formula estimates area as sqrt(height × weight / 3600).

Inputs and settings

Body Surface Area Calculator accepts Height (cm) (minimum 0.000001); Weight (kg) (minimum 0.000001).

Worked example

Body Surface Area Calculator example — Height (cm): 170; Weight (kg): 70. Computed output: { "squareMetres": 1.818118685772619 }

Output and limitations

Body Surface Area Calculator: An educational estimate; medication dosing requires a clinician.

Technical references: JavaScript numerical operations

Body Surface Area Calculator FAQs

Body Surface Area Calculator applies the following rule to your input: The Mosteller formula estimates area as sqrt(height × weight / 3600). The worked example on this page uses the same processor as the result button.
Body Surface Area Calculator has these boundaries: An educational estimate; medication dosing requires a clinician. Start by checking the height (cm) field against the units or format shown.
Body Surface Area Calculator provides this sample: { "squareMetres": 1.818118685772619 }. Use the sample button to reproduce it, then replace the inputs with your own values.