How To Use

This tool helps assess your cat's body condition and calculate an estimated BMI based on their Body Condition Score (BCS).

Note: BMI is calculated from your BCS assessment, not from weight. BCS is the primary and more accurate assessment tool for pets. Weight is collected for reference and validation purposes only.

The Body Condition Score uses a 1-5 scale where 3 is ideal. Simply fill out the fields and click Calculate to get started.

Quick Steps

  • 1 Enter your Cat's Weight in pounds.
  • 2 Select your Cat's Body Condition Score based on the descriptions below.
  • 3 Click the Calculate button to see the BMI assessment and recommendations.
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Cat BMI Calculator

Fill Out The Fields Below

Cat Body Condition Score Guide

BCSDescription
1 - EmaciatedRibs, spine, and hip bones are highly visible. No body fat. Severe abdominal tuck.
2 - ThinRibs, spine, and hip bones are easily visible. Minimal body fat. Obvious abdominal tuck.
3 - IdealRibs are easily felt but not visible. Waist is visible behind ribs. Minimal abdominal fat.
4 - OverweightRibs are difficult to feel under fat. Waist is barely visible or absent. Abdominal fat pad present.
5 - ObeseRibs cannot be felt under heavy fat layer. No waist. Large abdominal fat pad. Fat deposits on back and base of tail.

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FAQs

Frequently Asked Questions

What is a Body Condition Score for cats?

Body Condition Score (BCS) is a visual and tactile assessment tool that evaluates your cat's body fat using a 1-5 scale. A score of 1 indicates emaciated, 3 is ideal, and 5 is obese.

How do I determine my cat's Body Condition Score?

You can assess your cat's BCS by feeling their ribs, spine, and hip bones, and observing their waist and abdominal area. Use our detailed BCS guide in the calculator to match your cat's condition.

What is a healthy BMI for a cat?

A healthy BMI for cats typically ranges from 18-25, though this can vary by breed and body type. The Body Condition Score is often more reliable than BMI alone for assessing cat health.

What should I do if my cat is overweight?

If your cat is overweight (BCS 4-5), consult your veterinarian for a weight loss plan. They may recommend a calorie-restricted diet and increased exercise. Use our Cat Nutrition Calculator to determine appropriate calorie intake.

What should I do if my cat is underweight?

If your cat is underweight (BCS 1-2), consult your veterinarian immediately. Underweight cats may have underlying health issues that need to be addressed. A veterinarian can help create a safe weight gain plan.

Is my cat overweight?

You can determine if your cat is overweight by using our Cat BMI Calculator, which assesses Body Condition Score (BCS). Cats with a BCS of 4-5 are considered overweight to obese. Signs include difficulty feeling ribs, no visible waist, and excessive abdominal fat. Consult your veterinarian for a professional assessment.

How do I know if my cat is obese?

Cats with a Body Condition Score (BCS) of 5 are considered obese. Obese cats have ribs that cannot be felt under heavy fat, no visible waist, large abdominal fat pads, and fat deposits on the back and base of tail. Use our Cat BMI Calculator to assess your cat's condition and consult your veterinarian for a weight management plan.

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