This BSA Calculator helps you estimate your Body Surface Area (BSA), which represents the total surface area of the human body.
Body Surface Area Calculator
BSA Formula (Mosteller)
BSA (m²) = √[(height (cm) × weight (kg)) ÷ 3600]
Parameters Explained
- Height: measured in centimeters (cm)
- Weight: measured in kilograms (kg)
How It Works
The calculator applies the Mosteller formula to estimate body surface area, a value commonly used in medical, nutritional, and fitness calculations.

