Body Surface Area Calculator
Chemotherapy dosing and cardiac indexing live in square meters. Compare all five BSA formulas.
BSA (Mosteller)
1.88 m²
- Du Bois
- 1.869 m²
- Haycock
- 1.89 m²
- Gehan & George
- 1.894 m²
How the Body Surface Area Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Frequently Asked Questions
How does the Body Surface Area Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Body Surface Area Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.
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