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Hill's Science Diet Adult Indoor Cat

Manufacturer: Hill's Science Diet

Hill's Science Diet Hill's Science Diet Adult Indoor Cat Chicken Recipe
79.9Technical Score

The Hill's Science Diet Adult Indoor Cat (Hill's Science Diet) earned a technical score of 79.9/100 (rated ⭐ High Standard) under the independent My Pet Magazine methodology, which combines the IDNM nutrient density index (69 pts) and the IPFI ingredient purity index (88 pts). On a dry-matter basis, this food for cats delivers 33.7% protein and 14.13% fat. The analysis is computed by algorithm, with no payment or interference from brands.

Is Hill's Science Diet Adult Indoor Cat good?

Yes, it is a good option. Hill's Science Diet Adult Indoor Cat is in the "High Standard" band of our review, with a technical score of 79.9/100. The score combines nutritional density (IDNM 69) and ingredient purity (IPFI 88), with 33.7% protein and 14.13% fat on a dry-matter basis. At 3492 kcal/kg, FEDIAF maintenance needs work out to 54–72 g per day for an adult cat weighing 4 kg (full table below).

Nutritional Analysis

IDNM (Nutrient Density)69 / 100
IPFI (Ingredient Purity)88 / 100
Final Score79.9

Dry-Matter Composition

Protein33.7%
Fat14.13%

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 Adult Indoor Cat (metabolizable energy when available in the dataset)
NutrientValue
Crude protein31 %
Crude fat13 %
Crude fiber12 %
Moisture8 %
Metabolizable energy3492 kcal/kg

How much to feed per day

Estimated daily serving (g/day) based on the metabolizable energy of this food (3492 kcal/kg) and the maintenance energy requirement (MER) of an adult cat per FEDIAF 2024, from the lowest value (low-activity dog; neutered or indoor cat) to the moderate one (moderately active dog; active cat). It is a starting point: adjust to your pet's body condition and your veterinarian's advice. The calculation ignores age, neutering (in dogs) and individual clinical conditions.

Recommended daily serving in grams per day of Hill's Science Diet Adult Indoor Cat by the weight of the cat
Weight of the catEnergy requirementRecommended serving
3 kg157–209 kcal/day45–60 g/day
4 kg190–253 kcal/day54–72 g/day
5 kg220–294 kcal/day63–84 g/day
6 kg249–332 kcal/day71–95 g/day

Formula: maintenance energy (kcal/day) = coefficient × weight(kg)^exponent. Dogs: coefficient 95 (low activity) to 110 (moderate activity), exponent 0.75 (FEDIAF 2024, Table VII-7, p. 55). Cats: coefficient 75 (neutered or indoor) to 100 (active), exponent 0.67 (FEDIAF 2024, Table VII-9, p. 57). Portion (g/day) = energy requirement ÷ (food kcal/kg ÷ 1000). Source: FEDIAF, Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs, July 2024.

Ingredients

  1. 1Chicken
  2. 2Whole Grain Wheat
  3. 3Corn Protein Meal
  4. 4Powdered Cellulose
  5. 5Chicken Fat
  6. 6Brown Rice
  7. 7Chicken Meal
  8. 8Wheat Gluten
  9. 9Dried Beet Pulp
  10. 10Chicken Liver Flavor

What we like

  • ✓taurine declared
  • ✓L-carnitine
  • ✓fresh meat first ingredient
🥇
Feeding TrialsAAFCO feeding trial declared: +6 pts (Gold level)
✓ Verified data

www.chewy.com (as-fed guaranteed analysis from the label) — verified 2026-08-30

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Frequently asked questions about Hill's Science Diet Adult Indoor Cat

What is the technical score of Hill's Science Diet Adult Indoor Cat?
Hill's Science Diet Adult Indoor Cat (Hill's Science Diet) scores 79.9/100 under the My Pet Magazine methodology — a weighted average of the IDNM nutrient density index (69 points) and the IPFI ingredient purity index (88 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 Adult Indoor Cat have?
On a dry-matter basis (removing the effect of moisture), Hill's Science Diet Adult Indoor Cat has 33.7% protein and 14.13% fat. Converting to a dry-matter basis allows a fair comparison between foods for cats with different moisture levels.
Is Hill's Science Diet Adult Indoor Cat a good food for cats?
Under the My Pet Magazine classification, Hill's Science Diet Adult Indoor Cat is "High Standard" (score 79.9/100). Strengths: taurine declared, L-carnitine, fresh meat first ingredient. Talk to a veterinarian before changing the diet of your cat.

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