Calculator
Result
Answer will appear hereEnter the values above and press Calculate to see the answer, step-by-step solution, and formula used.
How the result is calculated
BSA (Mosteller) = √((height_cm × weight_kg) / 3600)
Body Surface Area Calculator
Mosteller body surface area estimate. For education only — not medical advice.
Explanation
What this calculator does
Body Surface Area Calculator helps you calculate the result using clear inputs, a formula, and practical examples.
This calculator is for general information only and is not medical advice or a diagnosis.
How LearnLinx Calculates This Result
Formula
BSA (Mosteller) = √((height_cm × weight_kg) / 3600)
Enter your values and press Calculate to see each computation step with your numbers plugged into this formula.
Example
Height 170 cm and weight 70 kg → BSA ≈ 1.82 m².
When to use it
Use it when you need a quick result for study, planning, documentation, or checking a manual calculation.
Common mistakes
- Mixing pounds and inches without converting to kg and cm.
- Using BSA for dosing without a clinical protocol.
- Rounding mid-calculation instead of at the end.
Frequently asked questions
Which formula?
Mosteller: √((height_cm × weight_kg) / 3600).
Is this for drug dosing?
Clinicians may use BSA; this page is educational only, not a prescription tool.
What formula does the Body Surface Area Calculator use?
It uses: BSA (Mosteller) = √((height_cm × weight_kg) / 3600). The result page also shows a step-by-step breakdown of how your answer was calculated.
Is the Body Surface Area Calculator free to use?
Yes. All LearnLinx calculators are completely free with no signup required. Signing in is optional and only adds a 60-day history of your calculations.
Is this medical advice?
No. This calculator provides general information only and is not medical advice or a diagnosis. Consult a qualified health professional for personal guidance.