Body Surface Area (BSA) Calculator
Calculate body surface area from height and weight.
This tool is for informational purposes only and does not replace medical advice. Consult a physician for decisions about your health.
cm
kg
Result
1,84 m²
Body surface area: 1,84 m²
Result in all units
Step-by-step solution
BSA = √(height × weight / 3600)
What Is Body Surface Area?
Body surface area (BSA) is the total area of a person's skin surface. It is used in drug dosing and medical calculations.
How is it calculated?
How Is It Calculated?
Mosteller formula: BSA (m²) = √((height_cm × weight_kg) ÷ 3600)
- Enter your height and weight.
The result is given in square meters.
Frequently Asked Questions
Where is BSA used?
Some drug doses, especially in chemotherapy, are determined by body surface area rather than weight.