A cat's food intake should be determined based on its weight, age, activity level and health. You can refer to the following basic comparison tables: 1-1.5kg: 30-40g; 1.5-2.5kg: 40-60g; 2.5-3.5kg: 60-80g; 3.5-4.5kg: 80-100g; 4.5 -5.5kg: 100-120g. Actual food needs may vary depending on your cat's breed, personality, and living environment.

In addition, the cat's health condition will also affect its food needs. If your cat has a medical condition or needs a special diet, talk to your veterinarian for more specific advice. By tailoring food intake to your cat's weight and needs, you can ensure your cat is getting enough nutrients while avoiding obesity and other health problems.