Pet Food Calculator - How Much Should I Feed My Dog or Cat?

Feeding the right amount is essential for your pet's health and longevity. Too much food leads to obesity and related health problems, while too little can cause nutritional deficiencies.

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Feeding the right amount is essential for your pet's health and longevity. Too much food leads to obesity and related health problems, while too little can cause nutritional deficiencies.

How This Calculator Works

Our pet food calculator uses the scientifically-backed Resting Energy Requirement (RER) formula, adjusted for your pet's:

  • Life stage - Puppies and kittens need more calories for growth
  • Activity level - Active pets burn more energy
  • Body condition - Adjustments for underweight or overweight pets
  • Neutering status - Spayed/neutered pets have lower metabolic rates
  • Weight goals - Whether maintaining, losing, or gaining weight

What You'll Get

  • Daily calorie requirements
  • Food portions in cups and grams
  • Recommended feeding frequency
  • Per-meal portions

Enter your pet's details below to get personalized feeding recommendations.

Important Notes

  • Results are estimates based on average pet food calorie densities
  • Always check your specific food's feeding guidelines
  • Consult your veterinarian for pets with health conditions
  • Monitor your pet's weight and adjust portions as needed

Optional - leave blank for a generic result

Enter your pet's current weight

Select based on how your pet looks and feels

Select your pet's current life stage

Yes, spayed or neutered

Spayed/neutered pets have lower calorie needs

Sedentary = mostly resting, Working = high-intensity jobs or sports