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Body surface area
The figure many specialist doses are calculated from.
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Method and limits
| Formula | Mosteller: BSA (m²) = √(height in cm × weight in kg ÷ 3600). |
|---|---|
| Who it is for | Adults and children. Chosen over DuBois because it is the most widely used and can be checked by hand. |
| Source | Mosteller, New England Journal of Medicine, 1987 |
| Method validated | No — not yet checked against the cited source by a person |
What this cannot tell you. This produces a body-surface figure, not a dose. Converting it into an amount of medicine is a clinical calculation with its own rounding, capping and safety rules, and this page does not do it.