Pet BMI Calculator

Calculate your pet's body condition score and ideal weight. Check if your dog or cat is at a healthy weight with our pet BMI calculator.

How to Calculate Pet Body Condition

  1. 1 Select your pet type (dog or cat)
  2. 2 Choose the breed size category
  3. 3 Enter your pet's current weight
  4. 4 Measure and enter the body length (nose to tail base)
  5. 5 View the body condition score and weight recommendations

🔒 Instant results, faster than AI. No signup. 100% private.

Last updated: January 15, 2026 · v2.1