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Cats • nutritionVerified Scientific Formula

Cat Food & Daily Feeding Portion Calculator

Computes daily canned wet food and dry kibble portions for adult cats, including combined wet/dry feeding plans and water intake estimations.

Enter Parameters

lbs
Calculated Output
Daily Target Caloric Requirement (MER)
261kcal / day1.74 cans wet + 0.34 cups dry daily Recommended Daily Portion
What This Result Means
For a 10 lbs cat, feed approximately 1.74 cans wet + 0.34 cups dry daily to supply 261 kcal/day.
Calculation Details & Practical Equivalents
Canned Wet Food (3 oz cans)
1.74 cans/day (131 kcal)
Dry Kibble Amount
0.34 cups/day (~34 g)
Resting Energy Requirement (RER)
218 kcal/day
Hydration Intake from Diet
115 ml water/day

Formula & Mathematical Methodology

Standard Mathematical Formula
Daily Calories = 70 × (Body Weight in kg)^0.75 × Neuter Factor (1.2 neutered / 1.4 intact / 0.8 weight loss)

Formula Variables Defined

BWCat Body Weight(lbs or kg)

Feline scale weight

SplitDiet Proportion

100% Canned, 50/50 Combo, or 100% Dry Kibble

Step-by-Step Calculation Example

Example: 10 lb (4.5 kg) Neutered Adult Cat

A 10 lb neutered adult cat fed a 50/50 mix of 3 oz canned food (75 kcal/can) and dry kibble (380 kcal/cup).

  1. Weight in kg = 10 lbs ÷ 2.20462 = 4.54 kg
  2. RER = 70 × (4.54)^0.75 = 217 kcal/day
  3. MER (Neutered 1.2×) = ~215–225 kcal/day
  4. 50% Wet = 108 kcal (~1.4 three-ounce cans/day)
  5. 50% Dry = 108 kcal (~0.28 cups of kibble/day)
Final Output: 215 kcal/day — 1.4 cans of wet food + 0.28 cups of kibble

Key Assumptions

  • Cat has free access to fresh clean drinking water.

Biological Limitations

    Verified Scientific & Veterinary Sources

    Version: 1.0•Methodology Reviewed: 2026-01-20
    1. Nutrient Requirements of Dogs and Catstextbook
    National Research Council (NRC) Committee on Animal Nutrition (2006). National Academies Press, Washington, D.C.
    Access Source Authority
    2. WSAVA Global Nutrition Guidelines & Calorie Calculator Referenceguideline
    World Small Animal Veterinary Association (WSAVA) Global Nutrition Committee (2021). Journal of Small Animal Practice
    Access Source Authority

    Cat Food & Daily Feeding Portion Calculator — FAQs

    An average 10 lb adult cat requiring ~200–220 kcal/day needs approximately 2.5 to 3 three-ounce cans (at ~75 kcal/can) if fed an exclusively wet canned diet.

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