Body Surface Area (BSA) is the measured or calculated total surface area of the human body. In medicine, it is a more accurate indicator of metabolic mass than body weight, as it is less affected by abnormal body fat. It's often used for calculating drug dosages, especially for chemotherapy.
There is no single "best" formula for everyone. However, the Du Bois and Mosteller formulas are the most widely used and validated for adults in clinical practice. Other formulas were developed for specific populations:
This calculator provides an average of all formulas for a general estimate, but in a medical setting, your doctor will use the formula most appropriate for your situation.
This calculator is intended for informational and educational purposes only. The results should not be used for medical diagnosis or to determine drug dosages. Always consult with a qualified healthcare professional for medical advice and treatment.