Body Surface Area Calculator

The Body Surface Area (BSA) Calculator is a simple tool designed to help you estimate your body surface area based on your height and weight. Knowing your body surface area can be helpful in medical contexts, especially for determining appropriate medication dosages or assessing your health status.

Body Surface Area Calculator

How to Use

  • Enter Your Height: Input your height in centimeters (cm) into the "Height" field. Make sure to enter your height accurately to get the most precise calculation.
  • Enter Your Weight: Input your weight in kilograms (kg) into the "Weight" field. Double-check your weight to ensure accuracy.
  • Click Calculate: Once you've entered both your height and weight, click the "Calculate" button.
  • View Result: The calculator will compute your body surface area based on the inputted height and weight. The result will be displayed below the button.


  • Height: 170 cm
  • Weight: 65 kg
  • Click "Calculate"
  • Result: "Body Surface Area: 1.75 m²"


  • Ensure you enter your measurements accurately for the most precise calculation.
  • The calculator uses a simple formula to estimate body surface area, which may not be perfectly accurate for every individual. If you have specific medical concerns or need precise measurements, consult a healthcare professional.
  • Body surface area may vary based on factors such as age, gender, and body composition.