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Body Surface Area Calculator (BSA)
Compute body surface area using Mosteller, Du Bois, and Haycock formulas. Used for chemotherapy dosing, burn assessment, and cardiac index.
HEALTHCompute body surface area using Mosteller, Du Bois, and Haycock formulas. Used for chemotherapy dosing, burn assessment, and cardiac index.
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
Disclaimer: Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Body Surface Area Calculator
BSA is used for chemotherapy dosing, cardiac index, and burn assessment. Mosteller is the bedside standard (simple sqrt formula); Du Bois is the academic original.
BSA (Mosteller — clinical standard)
1.82 m²
Du Bois (1916)1.81 m²
Haycock1.83 m²
Average1.82 m²
Mosteller formula = √(weight × height / 3600). For pediatric oncology, Haycock is often preferred. Always confirm with clinical software for chemotherapy dosing.
Frequently Asked Questions
What is the Body Surface Area Calculator (BSA) for?
Compute body surface area using Mosteller, Du Bois, and Haycock formulas. Used for chemotherapy dosing, burn assessment, and cardiac index.
How do I use the Body Surface Area Calculator (BSA)?
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
How accurate are my body surface area (bsa) results?
Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Is the Body Surface Area Calculator (BSA) free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.