Free Dog Weight Goal calculator with clear step-by-step results.
The starting problem with a canine weight goal is that you rarely know the target weight — so it is derived from body condition score instead. On the standard 9-point scale, 5 is ideal and each point above it corresponds to roughly 10% over ideal weight, so a dog scored 7 is about 20% overweight and its ideal weight is current ÷ 1.2. Feeding is then set from resting energy requirement at that target weight, 70 × kg^0.75, with a factor for how restrictive the plan needs to be.
Ideal weight from condition score
Ideal weight = current weight ÷ (1 + (BCS − 5) × 0.1)
Feeding and timeline
Target kcal = 70 × ideal weight^0.75 × factor; weeks = weight to lose ÷ (current × weekly loss %)
Weight-loss plans for dogs should be set and monitored by a veterinarian, who will rule out medical causes of weight gain such as hypothyroidism and ensure the diet remains complete in protein and micronutrients while calories are restricted.
By feel and outline rather than by weight: ribs easily palpable without a fat covering, a visible waist from above and an abdominal tuck from the side all indicate a score of 5. Your vet can show you how to score consistently.
It is the widely used clinical convention on the 9-point WSAVA scale, derived from studies relating condition score to measured body fat. It is an approximation, which is why the derived ideal weight should be confirmed with a vet.
Generally 1-2% of body weight per week. Faster loss risks muscle rather than fat loss and is harder to sustain; dogs tolerate restriction better than cats but still need monitoring.