Body Surface Area Calculator

Calculate your body surface area (BSA) using height and weight for medical dosage calculations and physiological assessments.

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Updated January 2025
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Body Surface Area (BSA)

Calculate a key indicator for drug dosage

What is Body Surface Area?

Body Surface Area (BSA) is the measured or calculated surface area of a human body. It's used in medicine as an indicator of metabolic mass, and is a crucial factor in determining dosages for chemotherapy and other drugs.

Most commonly used formula, simple and widely accepted.

Medical Disclaimer

This tool is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.