Body Surface Area (BSA) Calculator
Calculate your Body Surface Area (BSA) for medical or fitness purposes. Uses standard clinical formulas to provide an accurate physiological metric.
Clinical Body Surface Calculation
Body Surface Area is a biometric measurement heavily utilized in the medical field to determine clinical dosages, metabolic rates, and fluid requirements. It is considered a much more accurate indicator of metabolic mass than Body Mass Index (BMI). This browser-based tool calculates your BSA instantly using the widely accepted DuBois and Mosteller formulas.
Why Use Our Body Surface Area Calculator?
- Clinical Accuracy: Utilizes established medical equations.
- Better than BMI: Provides a more accurate representation of metabolic mass.
- 100% Private: Critical for health tools, no data is sent to external servers.
- Unit Conversion: Easily swap between Metric and Imperial inputs.
How to Use the Body Surface Area Calculator
Enter your exact height.
Enter your exact weight.
Click 'Calculate BSA'.
Review your Body Surface Area in square meters (m²).
Frequently Asked Questions
The average BSA is roughly 1.9 m² for adult men and 1.6 m² for adult women.
It utilizes the Mosteller formula by default due to its modern clinical acceptance, but also provides the classic DuBois calculation for reference.
All file processing is performed locally in your web browser. We do not upload, store, or view your data.