Body Surface Area Calculator

The Mosteller equation is widely used for a simple BSA estimate from height and weight. Formula: Mosteller: BSA (m²) = √[(height(cm) × weight(kg)) ÷ 3600]

Height (in centimeters): Weight (in kilograms):

Result:

Convert Body Surface Area

The Mosteller equation is widely used for a simple BSA estimate from height and weight.

Formula: Mosteller: BSA (m²) = √[(height(cm) × weight(kg)) ÷ 3600]

Small input differences can affect an estimated health result, especially for circumference-based or energy-need formulas. Measure consistently and avoid false precision.

Compare the displayed answer with the formula above so you can see which inputs are driving the estimate.

Important: This calculator is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Results are estimates based on the information entered and the method used. If you have a medical concern or are making a health-related decision, consult a qualified healthcare professional.

Frequently Asked Questions FAQ

Why is Body Surface Area (BSA) important in healthcare?

BSA is important in healthcare as it helps determine medication dosages, assess burn severity, and evaluate nutritional needs, enabling more precise treatment and personalized care.

How does BSA assist in burn assessment?

The percentage of total body surface area affected by a burn is often calculated using BSA, guiding healthcare providers in determining burn severity and planning appropriate treatment strategies.

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