When do cats stop growing?

When Do Cats Stop Growing?

These furry little creatures that have been a part of our lives for centuries never cease to fascinate us. From the ancient Egyptians who worshipped them as gods to modern-day cat ladies, cats have been an integral part of human history.

And if you’re a cat owner or just a cat afficionado, you might be especially interested to know, when do cats stop growing?

The answer is more complex than it might seem. Kittens typically start tiny and adorable but can quickly grow into formidable feline forces in their adult years.

How this process happens depends on a few key factors, such as breed and age. Let’s take a closer look at when cats stop growing so you can get an idea of how long your kitty might take to reach its fully grown size.

 When do cats stop growing?

First, it's important to note that the age at which cats stop growing can vary depending on breed and sex.

Generally speaking, larger breeds, such as Maine Coons, tend to finish growing around 12-18 months, while smaller breeds, such as Siamese cats, may be done by 8-10 months. Additionally, male cats grow bigger than female cats due to their higher testosterone levels.

No matter what type of cat you have, it’s essential to keep in mind that other factors besides age also affect your cat’s growth rate.

Proper nutrition plays a massive role in how fast or slow your kitty grows, so make sure you’re providing your cat with a balanced diet full of proteins, vitamins, and minerals.

Additionally, if you’ve adopted a kitten that was weaned too early or couldn’t get enough nutrition from their mother, it might take longer for them to reach full size.

Despite these differences in growth rates, there’s one thing all cats have in common when it comes to growth: they hit certain milestones throughout their development.

When do cats stop growing?

Kittens typically double their birth weight within the first week and continue to grow steadily until they reach adulthood, at around 12-18 months old.

When cats are done growing, you’ll notice changes such as thicker fur, bigger paws, and ears that don’t seem quite as big compared to the rest of the face.

At What Age Do Cats Calm Down?

Well, the feline maturity age is 2 years old. That’s when the kitten phase ends, and your cat starts showing signs of being a mature adult.

This means that your young kitty’s antics and playtime activities will start to slow down as they reach their two-year mark.

You may find that chasing strings and batting around toys is less fun for them now—but don’t worry. This doesn’t mean they’re going to be lazy all the time and not want to play at all!

Even though cats are much more mature by this point in their lives, they may still retain their playful personalities.

However, they might settle into more everyday activities, such as lounging in the sun and taking long afternoon naps. It’s essential to keep providing your cat with stimulating toys and activities—it’s one of the best ways to prevent them from getting bored or depressed.

So there you have it: cats usually reach full maturity by age two. While this age marks an end of sorts for their kitten days, it also signifies the start of a beautiful relationship with your adult cat. Enjoy every moment of this new chapter!

When do cats stop growing?

How to Keep Your Kitten Healthy as They Grow Up

As your kitten grows, you need to ensure that they stay healthy and happy! Here are some tips on how to keep your kitty feeling purrfectly content:

  1. Feed 'em right Kittens need the right balance of nutrients growing up, so be sure to feed them a good-quality diet specifically designed for kittens.

    Cats love variety, so you can mix up their meals with wet food, dry food, and even homemade goodies, such as cooked chicken or tuna.
  1. Get 'em moving Exercise is an essential part of keeping any animal healthy and fit. Provide them plenty of toys and scratching posts for the kitty to play with and some cat furniture for them to climb and explore.

  2. Keep 'em safe  Keep an eye out for potential hazards in the home, such as toxic plants or open windows, which may be unsafe places to explore. Investing in a pet gate or catio can help protect your pet while they’re still getting used to their new home.

  3. Nurture their mental health Like us, cats need love and attention, too! Make sure you set aside time daily to interact with your fur baby.

    Make your furbaby feel secure in their environment by giving them plenty of opportunities for enrichment activities, such as playtime with toys or exploring outside in an enclosed area.
  1. Regular check-ups Even if your kitten is feeling healthy and happy, take them to the vet so they can get all their necessary vaccinations and to spot any health issues that may arise.

    You’ll also want to ensure they’re receiving the proper flea and tick prevention treatments, so they stay safe from diseases such as Lyme disease or tapeworms.

Following these tips, you can help keep your kitty healthy as they grow into adulthood! Always consult with a vet before making significant decisions about your pet’s health and lifestyle to ensure your fur child has a long, happy life.


At two years old, cats usually reach full physical maturity and start requiring less attention. While this marks the end of their kitten days, it may also mean the beginning of a beautiful relationship with your adult cat.

To ensure that they stay healthy and safe as they grow up, consider providing them with nutritious food, stimulating activities, love and attention, and regular check-ups at the vet. With these tips in mind, you can help your four-legged friend live a long and happy life.


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