BSA Calculator
Calculate Body Surface Area (BSA) using the Mosteller, Du Bois, Haycock, Gehan & George, or Boyd formulas. Suitable for educational and general healthcare reference.
Please enter valid height and weight.
Your Body Surface Area
0.00 m²
About BSA
Body Surface Area estimates the total external surface of the human body. Healthcare professionals commonly use BSA to determine medication dosages, chemotherapy dosing, burn assessment, cardiac index, and kidney function calculations.
Common Uses
- Chemotherapy dosing
- Pediatric medication calculations
- Renal function assessment
- Burn treatment
- Clinical research
Frequently Asked Questions
What is a normal BSA?
Most adults have a BSA between approximately 1.5 and 2.3 m², depending on height and weight.
Which formula should I use?
The Mosteller formula is the most commonly used because it is simple and provides reliable clinical estimates.
Is this calculator for medical diagnosis?
No. This calculator is for educational purposes only and should not replace professional medical advice.