Body Surface Area (BSA) & Medication Dosage (Mosteller Formula)

Calculate Body Surface Area (BSA) in square metres using the validated Mosteller Formula for medical dosage normalization and clinical calculations.

Interactive Body Surface Area (BSA) & Medication Dosage (Mosteller Formula)
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Formula & Calculation Methodology

Mosteller BSA (m²) = Sqrt((Height in cm * Weight in kg) / 3600).

Step-by-Step Worked Example

Height: 168 cm, Weight: 65 kg

  1. Product: 168 * 65 = 10,920
  2. Divide by 3600: 10,920 / 3600 = 3.0333
  3. Square Root: Sqrt(3.0333) = 1.74 m²
Result: Body Surface Area: 1.74 m² (Standard adult Indian normal range)

Frequently Asked Questions

Why is BSA preferred over body weight for chemotherapy dosing?

BSA correlates more accurately with metabolic rate, cardiac output, and renal clearance than weight alone.

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