Body Surface Area Du Bois Calculator

Du Bois Formula:

\[ BSA = 0.007184 \times W^{0.425} \times H^{0.725} \]

Body Surface Area (m²):

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1. What is Body Surface Area (Du Bois)?

Definition: Body Surface Area (BSA) is the calculated surface area of a human body, often used in medical settings for medication dosing and physiological measurements.

Purpose: The Du Bois formula provides an accurate estimation of BSA based on weight and height, particularly useful in clinical settings.

2. How Does the Calculator Work?

The calculator uses the Du Bois formula:

\[ BSA = 0.007184 \times W^{0.425} \times H^{0.725} \]

Where:

\( BSA \) — Body Surface Area (square meters)
\( W \) — Weight (kilograms)
\( H \) — Height (centimeters)

Explanation: The formula calculates BSA using exponential relationships between body dimensions and surface area.

3. Importance of BSA Calculation

Details: BSA is crucial for determining proper drug dosages, chemotherapy regimens, burn assessment, and various physiological measurements.

4. Using the Calculator

Tips: Enter the patient's weight in kilograms and height in centimeters. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why use Du Bois formula instead of others?
A: The Du Bois formula is one of the most validated and widely used BSA formulas, especially in clinical settings.

Q2: How accurate is the Du Bois formula?
A: It's generally accurate for most adults, though may be less precise for extreme body types or children.

Q3: What's a typical BSA range?
A: Average BSA is about 1.7 m² for adult men and 1.6 m² for adult women.

Q4: Can I use pounds and inches?
A: This calculator requires metric units (kg and cm) for accuracy with the Du Bois formula.

Q5: When is BSA particularly important?
A: Critical for chemotherapy dosing, pediatric medicine, and burn treatment calculations.