Dog BMI & Body Condition Calculator
Body Condition Score
Assess your dog's body condition on a 1-9 scale
Formula
BCS on 1-9 scale: assessed from rib palpation and waist visibility. Each BCS point above 5 ≈ 10% overweight. Ideal weight = current weight / (1 + (BCS - 5) x 10%). Weight loss calories = RER x 1.0-1.2 (using ideal weight).
Frequently Asked Questions
What is a dog body condition score?
Body Condition Score (BCS) is a 1-9 scale used by veterinarians to assess a dog's fat and muscle. Scores 1-3 indicate underweight, 4-5 is ideal, 6-7 is overweight, and 8-9 is obese. It's assessed by feeling the ribs, looking at the waist from above, and checking the abdominal tuck from the side.
How do I know if my dog is overweight?
An ideal-weight dog has ribs you can feel with slight pressure but not see, a visible waist when viewed from above, and an abdominal tuck when viewed from the side. If you can't easily feel the ribs, there's no waist, or the belly sags, your dog is likely overweight. Over 50% of dogs in the US are overweight or obese.
How can I help my dog lose weight?
Consult your vet first. Generally, reduce daily calories by 15-25%, measure food precisely (don't estimate), limit treats to less than 10% of calories, switch to low-calorie treats (carrots, green beans), increase exercise gradually, and weigh your dog every 2 weeks. Aim for 1-2% body weight loss per week.
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