Home Back

Body Surface Area Calculator Cat

Feline BSA Formula:

\[ BSA = 0.1 \times W^{\frac{2}{3}} \]

kg

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Feline Body Surface Area Calculator?

Definition: This calculator estimates a cat's body surface area (BSA) based on its weight using a species-specific formula.

Purpose: It helps veterinarians determine accurate medication dosages and assess nutritional requirements for feline patients.

2. How Does the Calculator Work?

The calculator uses the feline-specific formula:

\[ BSA = 0.1 \times W^{\frac{2}{3}} \]

Where:

Explanation: The formula accounts for the non-linear relationship between weight and surface area in cats.

3. Importance of BSA Calculation

Details: Accurate BSA estimation is crucial for proper dosing of chemotherapy drugs, anesthetics, and other medications that are dosed by surface area.

4. Using the Calculator

Tips: Enter the cat's weight in kilograms. The weight must be > 0. For best accuracy, weigh the cat immediately before calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why use BSA instead of weight for dosing?
A: Many drugs' effects correlate better with metabolic rate, which relates more closely to surface area than weight.

Q2: How do I convert pounds to kilograms?
A: Divide pounds by 2.205 (1 kg = 2.205 lbs). Our calculator requires weight in kg.

Q3: Is this formula specific to cats?
A: Yes, this is the feline-specific formula. Dogs and humans have different BSA formulas.

Q4: What's the typical BSA range for cats?
A: Most domestic cats have BSA between 0.1-0.3 m², but this varies with size and breed.

Q5: When would a vet use this calculation?
A: Primarily for chemotherapy, some anesthetics, and nutritional support calculations.

Feline Body Surface Area Calculator© - All Rights Reserved 2025