BSA Calculator (Mosteller)

Calculates body surface area (BSA) using the Mosteller formula from height and weight. Works offline — no tracking, no network calls.

Height

Height unit

Weight

Weight unit

Body Surface Area

—

m²

Mosteller formula (height in cm, weight in kg):

BSA (m²) = √( height(cm) × weight(kg) / 3600 )

This tool is for informational use and does not replace clinical judgement.

Tip: You can paste values like 5'10 or 180 lb — it will try to interpret them. Mosteller: R.D. Mosteller (1987).