Maine Coon kittens increase in the first few months of life, reaching their full adult size within one to two years. In the first six months, Maine Coon kittens can gain up to 2-3 pounds per month and typically reach 4-5 pounds by the end of their first year.
After this period of explosive growth, they continue to grow slower but may still fill out some more through adulthood. Generally speaking, males tend to be larger than females and sometimes take a bit longer to reach their full size.

A healthy Maine Coon kitten should have a shiny coat, bright eyes, a vibrant personality, and good muscle tone – all things which indicate that it is growing correctly and healthily.
Table of Contents
Do Maine Coon kittens grow slower?
Maine Coon kittens are beloved for their large size and unique appearance, but do they grow at a different rate than other cats? The answer is yes. Maine Coon kittens typically take longer to reach their full size than most breeds of cats.
While other breeds of cats may reach maturity between 9 and 12 months, it can take Maine Coon kittens up to three to five years to get their full size. Although they may take longer to reach their full size, they are well worth the wait – Maine Coons are one of the most beloved breeds of cats due to their intelligence, playful personalities, and loyalty.
If you’re interested in adopting a Maine Coon kitten, be sure to be prepared for a long wait before they reach full size. With the proper care and nutrition, they can grow into majestic cats that will bring joy and companionship.
At what age are Maine Coon cats fully grown
Maine Coon cats are a popular breed known for their large size, luxurious fur, and friendly demeanor. Maine Coons are one of the few breeds of cats that can grow larger than the average house cat. As such, it is essential to know when these cats have reached their full size and have fully developed.
Maine Coon cats typically reach full maturity at around 4-5. Before this time, their weight and size can fluctuate significantly as they grow. After the age of 5, Maine Coons will have reached their adult size and will stop growing any larger.
To keep your Maine Coon in the best health, it is essential to provide them with good nutrition throughout their life. Maine Coons need a diet rich in protein and other vitamins and minerals to stay healthy and grow to their full potential.
It is also essential to monitor your cat’s weight as they approach adulthood, as cats that grow too quickly or become overweight can be prone to health problems. With proper care and nutrition, your Maine Coon should stay healthy and reach their full size by around 4-5 years.
How can you tell how big a Maine Coon will get?
Maine Coons are some of the giant domestic cats around, with males typically weighing between 12 to 18 pounds (5.4 to 8.2 kg). However, the size and weight of a Maine Coon can vary significantly from one individual to the next. As such, it can be difficult for potential owners to predict how big their pets will get accurately.
One way to help estimate the size of a Maine Coon is to look at its parents, as kittens tend to take after them in terms of size and overall shape. Additionally, it’s important for prospective owners to pay attention to the kitten’s growth rate—if it appears to be increasing, it could indicate a larger adult size.
There’s no set formula for predicting how big a Maine Coon will get—it just depends on the individual cat. That said, with regular visits to the vet and proper nutrition, these spectacular cats can grow up to be healthy and happy.
Are Maine Coon kittens bigger than other kittens?
Maine Coon kittens are indeed more significant than most other breeds of kittens. On average, a newborn Maine Coon kitten weighs between 0.19-0.37 lb while other breeds usually weigh around 3 to 4 pounds.
As the Maine Coon kitten grows, it will eventually become one of the giant domestic cats in the world, with some adult males reaching up to 25 pounds and some females weighing up to 18 pounds!
So if you’re looking for an extra giant kitty, you can’t go wrong with a Maine Coon. Plus, their personalities are as prominent as their size – they’re just as cuddly, friendly, and loyal as other cats, but with an extra dose of fluffiness!
It’s important to remember that the exact size of Maine Coon kittens can vary depending on their parents, so it’s best to talk to the breeder about their kitten. This way, you’ll know precisely what size to expect once your little furball grows. Whatever size they may be, Maine Coon kittens are sure to provide you with a lifetime of love and companionship.