Feline BMI Calculator

The Feline BMI Calculator estimates your cat's Body Mass Index using weight, body length, and ribcage circumference. This tool helps cat owners and veterinarians quickly assess pet health and identify weight issues early. Whether you are managing obesity, monitoring weight loss, or checking for diabetes risks, this calculator provides actionable insights.

Enter your cat's weight in kilograms (kg)
Measure from base of neck to base of tail in centimeters (cm)
Measure around the widest part of the ribcage in centimeters (cm)

Calculation logic verified using publicly available standards.

View our Accuracy & Reliability Framework →