Body Surface Area Calculator
Body surface area (BSA) is used in nutrition and clinical reference work. This tool shows the Mosteller and Du Bois results side by side.
Enter your details above and the result will appear here.
How to use
- Enter your weight in kilograms.
- Enter your height in centimetres.
- Both BSA formulas appear instantly.
Note
Mosteller: square root of (height x weight / 3600). Du Bois: 0.007184 x height^0.725 x weight^0.425, with height in cm and weight in kg. Estimate only — not medical advice.