Dog BMI Calculator

Dog BCS on a 1–9 scale assesses weight appropriateness. ~50% of dogs in developed countries are overweight, increasing risk of arthritis, diabetes, and shortened lifespan.

1. 1BCS 4–5: Ideal — ribs palpable; waist visible from above
2. 2BCS 6–7: Overweight — ribs hard to feel; no waist
3. 3BCS 8–9: Obese — cannot feel ribs; heavy fat deposits
4. 41–2% weight loss per week is safe for overweight dogs