Body Surface Area Calculator

Calculate body surface area, used in medicine for dosing, with the Mosteller formula.
Body surface area

Mosteller formula, used in medical dosing. This is an estimate for general guidance, not medical advice. For a plan that fits you, talk to a doctor or qualified professional.

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How it works

BSA = √(height × weight ÷ 3600)

Frequently Asked Questions

How does the Body Surface Area Calculator work?
Calculate body surface area, used in medicine for dosing, with the Mosteller formula.
Is this medical advice?
No. It gives general estimates only. For decisions about your health, speak with a qualified professional.