feline growth
Photo by Chunli Ju on Unsplash

Cats are fascinating creatures that go through several stages of growth before reaching adulthood. Understanding the growth process of cats is essential for pet owners to ensure their feline friends receive appropriate care and nutrition. From adorable kittens to majestic adult cats, each stage of feline growth is unique and requires specific attention. This article aims to provide a comprehensive understanding of feline growth, focusing on the crucial question: when do cats stop growing?

Stages of feline growth

Feline growth can be divided into several distinct stages, each characterized by specific physical and behavioral changes. The first stage is the neonatal stage, which begins at birth and lasts for approximately two weeks. During this time, kittens are completely dependent on their mother for sustenance and warmth. Their eyes and ears remain closed, and they rely on touch and scent to navigate their surroundings.

The second stage is the transitional stage, which occurs between two to four weeks of age. At this point, kittens start to open their eyes and ears, allowing them to explore the world around them further. They begin to develop their coordination and motor skills, attempting to walk and play with their littermates. It is during this stage that kittens begin to wean off their mother’s milk and transition to solid food.

The third stage is the socialization stage, which takes place between four to twelve weeks of age. During this period, kittens learn crucial social skills and behaviors from their mother and littermates. They become more playful and curious, engaging in interactive activities that contribute to their cognitive and physical development. This stage is pivotal in shaping a kitten’s personality and temperament.

When do cats stop growing?

The growth rate of cats varies depending on several factors, including breed, genetics, and individual characteristics. On average, cats reach their full adult size and weight between one to two years of age. However, it is important to note that while cats may cease growing in terms of size, their bone density and muscle mass can continue to develop until they reach three to four years of age. This gradual maturation process allows cats to reach their full potential in terms of physical strength and agility.

Factors that influence feline growth

Several factors can influence the growth of cats. Genetics play a significant role in determining a cat’s size and growth rate. Different breeds have distinct growth patterns, with some reaching maturity earlier than others. Environmental factors, such as nutrition and overall health, also contribute to feline growth. A well-balanced diet that meets a cat’s nutritional needs is crucial for proper growth and development. Additionally, regular veterinary care and vaccinations are essential for maintaining a cat’s overall health and ensuring optimal growth.

Signs that a cat has stopped growing

Determining whether a cat has stopped growing can be challenging, as growth may occur gradually and subtly. However, there are some signs that indicate a cat has reached its full size. One of the most apparent signs is when a cat’s weight stabilizes and remains consistent over an extended period. Additionally, the closure of growth plates in a cat’s bones, which can be observed through X-rays, indicates the end of the growth phase. However, it is important to consult a veterinarian to confirm that a cat has reached its full growth potential.

Average size and weight of adult cats

The average size and weight of adult cats can vary greatly depending on breed and individual characteristics. Generally, domestic cats weigh between 7 to 15 pounds (3 to 7 kilograms) and measure around 9 to 10 inches (23 to 25 centimeters) in height at the shoulder. However, larger cat breeds, such as Maine Coons and Ragdolls, can reach weights of up to 20 pounds (9 kilograms) or more. It is important to note that these are average measurements, and there can be significant variations within each breed.

How to support healthy feline growth

To support healthy feline growth, it is essential to provide cats with a balanced diet that meets their nutritional needs. High-quality commercial cat food, whether dry or wet, should be the primary source of their nutrition. The food should be formulated specifically for their life stage, whether they are kittens, adults, or seniors. Additionally, providing regular exercise and mental stimulation through playtime and interactive toys promotes healthy growth and prevents obesity.

Common misconceptions about feline growth

There are several common misconceptions about feline growth that need to be addressed. One misconception is that male cats are generally larger than female cats. While this may be true for some breeds, it is not a universal rule. Another misconception is that cats stop growing when they reach one year of age. As mentioned earlier, cats can continue to develop muscle mass and bone density until they reach three to four years of age. It is essential to have accurate information about feline growth to provide the best care for our feline companions.

When to consult a veterinarian about feline growth

If there are concerns about a cat’s growth or if there are noticeable abnormalities, it is advisable to consult a veterinarian. A veterinarian can assess a cat’s overall health, growth rate, and bone development through physical examination and diagnostic tests if necessary. They can provide guidance on nutrition, exercise, and any additional care required to support healthy growth. Regular veterinary check-ups are vital to monitor a cat’s growth progress and ensure their well-being throughout their life.


Understanding feline growth is crucial for providing the best care for our feline companions. While cats generally stop growing in terms of size between one to two years of age, their bone density and muscle mass can continue to develop until three to four years of age. Factors such as genetics, nutrition, and overall health influence feline growth. By providing a balanced diet, regular exercise, and routine veterinary care, pet owners can support healthy growth and development in their beloved cats. Remember, consulting a veterinarian is always recommended for any concerns or questions regarding a cat’s growth. By being knowledgeable about feline growth, we can ensure that our furry friends thrive and lead happy, healthy lives.

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Sima Ndlebe

Sima Ndlebe


Sima writes for CatBuzz. He is interested in Cats, Health and Fitness, and Entrepreneurship.

Published: 15 November 2023

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