Body Surface Area (BSA) is a critical metric used in physiology and medicine, often preferred over body weight for calculating chemotherapy dosages and cardiac index. Our calculator instantly computes your BSA using the four most scientifically validated formulas, providing a comprehensive range of estimates.
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Calculate Your Body Surface Area (BSA)
Calculate your Body Surface Area (BSA) using the 4 most accurate formulas: Du Bois, Mosteller, Haycock, and Gehan & George. Essential for medical dosages.
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About Calculate Your Body Surface Area (BSA)
1
Enter Height
Input your height in centimeters, inches, or feet.
2
Enter Weight
Input your weight in kilograms or pounds.
3
View Results
See your BSA calculated across all major medical formulas instantly.
Key Features
4-Formula Precision
Calculates results using Du Bois, Mosteller, Haycock, and Gehan & George formulas simultaneously.
Medical Grade Accuracy
Provides the specific measurements used by healthcare professionals for dosage calculations.
Smart Unit Conversion
Seamlessly switch between Metric (cm/kg) and Imperial (ft/lbs) units.
Frequently Asked Questions
Different formulas were developed based on different population samples. The Mosteller formula is most commonly used today due to its simplicity and accuracy.
Average BSA is generally 1.9 m² for men and 1.6 m² for women, but this varies significantly with height and weight.
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