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Health
Body Surface Area
Mosteller formula (m²)
Runs locally in your browser
Parameters
Results
- BSA
- 1.84 m²
How it works
Calculates body surface area (BSA) in square meters using the Mosteller formula.
Who it's for: Nursing students, pharmacists, and clinicians referencing BSA for dosing or fluid calculations.
Mosteller: BSA (m²) = √((height cm × weight kg) / 3600).
Accepts US inputs in pounds and inches with internal conversion.
Standard adult reference range is roughly 1.6–2.0 m² depending on size.
How to use
- Enter Weight in pounds.
- Enter Height in inches.
- Read BSA in m² — used for chemotherapy, some biologics, and burn formulas.
- Compare to typical adult values for sanity checking.
- Use the BSA-based dose calculator if you have a mg/m² protocol dose to apply.
- Pediatric patients may need age-specific formulas not covered here.
Good to know
- Mosteller is widely used in US hospitals but some protocols specify Du Bois — follow your institution's standard.