Body surface area calculator
Mosteller: BSA = √(h × w / 3600).
⚠ Educational estimates only — not medical advice. Consult a healthcare professional.
About this tool
Body surface area calculator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Health & Fitness. Browse more Health & Fitness tools.