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Hill's Science Diet Perfect Weight

Manufacturer: Hill's Science Diet

81Technical Score

The Hill's Science Diet Perfect Weight (Hill's Science Diet) earned a technical score of 81/100 (rated ⭐ High Standard) under the independent My Pet Magazine methodology, which combines the IDNM nutrient density index (70 pts) and the IPFI ingredient purity index (89 pts). On a dry-matter basis, this food for dogs delivers 25.56% protein and 11.67% fat. The analysis is computed by algorithm, with no payment or interference from brands.

Nutritional Analysis

IDNM (Nutrient Density)70 / 100
IPFI (Ingredient Purity)89 / 100
Final Score81

Dry-Matter Composition

Protein25.56%
Fat11.67%
Carbohydrates33.89%
Ash8.89%

Composition and Energy

Values as declared in the manufacturer guaranteed analysis (as-fed basis — as printed on the bag).

Nutritional composition of Hill's Science Diet Perfect Weight (metabolizable energy when available in the dataset)
NutrientValue
Crude protein23 %
Crude fat10.5 %
Crude fiber18 %
Ash (mineral matter)8 %
Moisture10 %
Metabolizable energy3189 kcal/kg

How much to feed per day

Estimated daily serving (g/day) based on the metabolizable energy of this food (3189 kcal/kg) and the maintenance energy requirement (RER) of the dog by body weight. Adjust according to veterinary guidance — the formula does not account for activity level, neutering or individual clinical conditions.

Recommended daily serving in grams per day of Hill's Science Diet Perfect Weight by the weight of the dog
Weight of the dogEnergy requirementRecommended serving
5 kg206 kcal/day65 g/day
10 kg327 kcal/day103 g/day
20 kg521 kcal/day163 g/day
30 kg684 kcal/day214 g/day
40 kg829 kcal/day260 g/day

Formula: energy requirement (kcal/day) = 70 × weight(kg)^0.67 [RER — Resting Energy Requirement; the same formula used by the My Pet Magazine cost calculator]. Serving (g/day) = energy requirement ÷ (kcal/kg of the food ÷ 1000). Sources: FEDIAF Nutritional Guidelines 2024 / NRC 2006.

Ingredients

  1. 1Chicken
  2. 2Cracked Pearled Barley
  3. 3Brown Rice
  4. 4Pea Fiber
  5. 5Corn Protein Meal
  6. 6Chicken Meal
  7. 7Dried Tomato Pomace
  8. 8Oat Fiber
  9. 9Chicken Liver Flavor
  10. 10Flaxseed

What we like

  • ✓glicosamina e condroitina
  • ✓EPA/DHA declarado
  • ✓L-carnitina
  • ✓carnes frescas
🥇
Feeding TrialsAAFCO feeding trial declared: +5 pts (Gold level)
✓ Verified data

www.chewy.com (análise garantida as-fed do rótulo) — verificado 2026-08-30

Frequently asked questions about Hill's Science Diet Perfect Weight

What is the technical score of Hill's Science Diet Perfect Weight?
Hill's Science Diet Perfect Weight (Hill's Science Diet) scores 81/100 under the My Pet Magazine methodology — a weighted average of the IDNM nutrient density index (70 points) and the IPFI ingredient purity index (89 points), by the formula (IDNM × 0.55) + (IPFI × 0.45). The analysis is 100% algorithmic, with no interference from brands.
How much protein does Hill's Science Diet Perfect Weight have?
On a dry-matter basis (removing the effect of moisture), Hill's Science Diet Perfect Weight has 25.56% protein, 11.67% fat and 33.89% carbohydrates. Converting to a dry-matter basis allows a fair comparison between foods for dogs with different moisture levels.
Is Hill's Science Diet Perfect Weight a good food for dogs?
Under the My Pet Magazine classification, Hill's Science Diet Perfect Weight is "High Standard" (score 81/100). Strengths: glicosamina e condroitina, EPA/DHA declarado, L-carnitina. Talk to a veterinarian before changing the diet of your dog.