Target Mass
Calculated via Physique Score. Recommended for slimming or bulking.
Educational tool only โข Not a substitute for veterinary advice
| Mass | 3 kg | 4 kg | 5 kg | 6 kg |
|---|---|---|---|---|
| Daily Calories | 200 kcal | 240 kcal | 280 kcal | 315 kcal |
| For Slimming | 160 kcal | 190 kcal | 225 kcal | 250 kcal |
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Expert answers to common cat nutrition questions.
Maintaining an optimum physical state is one of the most effective ways to ensure your feline companion lives a long, healthy, and vibrant life. Obesity in domestic cats is a growing epidemic, often leading to serious health complications such as Type 2 diabetes, osteoarthritis, and hepatic lipidosis. By using the PetlyInfo calculator, you are taking a proactive step in managing your pet's metabolic health.
Resting Energy Requirement (RER) represents the energy expended by a cat at rest in a thermoneutral environment. Our algorithm uses the exponential formula 70 ร (Body Mass in kg)^0.75, which is widely considered the most accurate clinical standard in modern veterinary nutrition.
A cat's daily requirement isn't just about their heaviness. Factors like whether they are fixed (neutered), their age category (kitten vs. senior), and their daily activity levels significantly impact the final recommendation. Our tool applies these precise multipliers automatically to provide a tailored feeding plan.
While the number on the scale provides data, the Body Condition Score (BCS) provides context. A "slim" cat might actually be at their ideal physique, while a heavier-framed cat could be underweight. We recommend the "Rib Test": you should be able to feel your cat's ribs with a light touch, but they shouldn't be visibly protruding or buried under a thick layer of fat.
If your goal is healthy slimming, it is crucial to avoid "crash diets." Cats have a unique metabolism that makes them susceptible to liver failure if they lose mass too rapidly. Aim for a gradual reduction of about 1-2% of their total body mass per week. Always transition to new food portions over a 7-10 day period to avoid digestive upset.
"The goal is not just a lower number on the scale, but a more energetic, active, and happy cat. Proper nutrition is the foundation of feline wellness."
โ PetlyInfo Nutrition Expert
Have questions about the PetlyInfo calculator? Or just want to show off your cat? We'd love to hear from you!