Calculating Pet Food and Nutrition Needs
Learn how to calculate daily calorie requirements and food portions for your dogs and cats.
CE CalculatorPro Editorial Team
Published August 8, 2026
Feeding Your Furry Friends
Just like humans, pets require specific caloric intakes based on their size, age, and activity level.
1. Resting Energy Requirement (RER)
A pet's base metabolic rate can be estimated by taking their body weight in kilograms, raising it to the ¾ power, and multiplying by 70.
2. Maintenance Energy Requirement (MER)
Once you have the RER, you multiply it by a factor based on their activity. A working dog will have a much higher multiplier than a senior indoor cat.
3. Portion Control
Always measure pet food by weight (grams) or with a standardized measuring cup, rather than eyeballing it, to prevent pet obesity.
Topics covered
pet & agriculture calculator guide tutorial
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