Nutrition Tool

Dog Food Calculator -- Daily Calorie Estimator

Estimate your dogs daily caloric needs using the veterinary Resting Energy Requirement (RER) formula.

Vet-Reviewed Methodology

Estimate your dogs daily caloric needs using the Resting Energy Requirement (RER) formula, the standard used by veterinary nutritionists.

Starting Point Only

This calculator provides an estimate based on your dogs weight and life stage. Individual metabolism varies. Adjust based on body condition score (BCS) and your vet's guidance.

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Estimated daily calories (kcal)

How to Use This Result

  • Find the kcal/cup or kcal/can on your food's packaging or manufacturer website
  • Divide daily kcal by kcal per cup to get serving size
  • Weigh food with a kitchen scale rather than using cup measures -- more accurate
  • Reassess every 4-6 weeks based on body condition score, not just weight
  • Split into 2 meals for adults, 3 meals for puppies under 6 months
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