Body Surface Area Calculator

Calculate your body surface area (BSA) using the Mosteller formula.

Calculator

Enter Your Measurements

Enter your weight in kilograms.

Enter your height in centimeters.

About

Understanding Body Surface Area

Body Surface Area (BSA) is the total surface area of the human body. It is used in many medical calculations, including:

  • Dosage calculations for medications
  • Assessment of burn injuries
  • Calculation of cardiac index

The Mosteller formula is one of the most commonly used methods to calculate BSA:

Formula:
BSA = √(height × weight / 3600)