Is My Cat Too Fat?

Obesity is the most common disease in cats: nearly 50% of the feline population has the disease. To determine if your cat is overweight or obese, choose which score below most closely matches your cat.

Body Conditioning Scoring System
(courtesy of Hill’s Pet Nutrition)

1. Very Thin

Cat's body index
  • Ribs: Easily felt with no fat cover
  • Tail Base: Bones are raised, no fat cover
  • Side View: Severe abdominal tuck
  • Overhead View: Accentuated hourglass shape

2. Underweight

Cat's body index
  • Ribs: Easily felt with little fat cover
  • Tail Base: Bones are raised with slight fat cover
  • Side View: Abdominal tuck
  • Overhead View: Marked hourglass shape

3. Ideal

Cat's body index
  • Ribs: Easily felt with slight fat cover
  • Tail Base: Smooth contour with slight fat cover
  • Side View: Abdominal tuck
  • Overhead View: Well-proportioned waist

4. Overweight

Cat's body index
  • Ribs: Difficult to feel under moderate fat cover
  • Tail Base: Some thickening, bones palpable under moderate fat cover
  • Side View: No abdominal tuck
  • Overhead View: Back is slightly broadened at waist

5. Obese

Cat's body index
  • Ribs: Difficult to feel under thick fat cover
  • Tail Base: Thickened and difficult to feel under thick fat cover
  • Side View: No waist, fat hangs from abdomen
  • Overhead View: Back is markedly broadened