Home Back

BSA Calculator Paediatric

Haycock Formula:

\[ BSA = 0.024265 \times W^{0.5378} \times H^{0.3964} \]

kg
cm

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Paediatric BSA Calculator?

Definition: This calculator estimates body surface area (BSA) for children using the Haycock formula.

Purpose: It helps medical professionals determine medication dosages and assess growth in paediatric patients.

2. How Does the Calculator Work?

The calculator uses the Haycock formula:

\[ BSA = 0.024265 \times W^{0.5378} \times H^{0.3964} \]

Where:

Explanation: This formula provides accurate BSA estimation specifically for paediatric populations.

3. Importance of BSA Calculation

Details: BSA is crucial for proper medication dosing, chemotherapy protocols, and nutritional assessments in children.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: Why use Haycock formula instead of others?
A: The Haycock formula is specifically validated for paediatric populations and provides more accurate results for children.

Q2: What age range is this calculator appropriate for?
A: This calculator is suitable for children from birth through adolescence.

Q3: How does this differ from adult BSA calculations?
A: Children have different body proportions than adults, requiring specific formulas for accuracy.

Q4: When would I need to calculate BSA?
A: BSA is used for chemotherapy dosing, renal function assessment, and certain medication calculations.

Q5: How precise should my measurements be?
A: For medical purposes, weight should be measured to nearest 0.1 kg and height to nearest 0.5 cm.

Paediatric BSA Calculator© - All Rights Reserved 2025