Many kitten owners may ask, "When does a cat reach full size?" Kittens have different growth rates and reach maturity of different times depending on the cat breed of the kitten.
American shorthair kittens typically reach full size within the first three years and often within the first two years. Several cat breeds mature faster or slower than American shorthair kittens.
A cat breed that has kittens that mature fairly quickly is the Singapura cat breed. Singapura kittens are between fifteen and twenty-four months old when they reach full size.
Chartreux kittens reach full adult size when they are about three years old. Kittens of the Somali cat breed are about eighteen months old when they reach full size.
Bengal and Savannah cats typically reach full size in two to three years. Some resources state that some Bengal cats take slightly longer to reach full size.
American Bobtail kittens take up to three years to reach adult size. Chausie cats, a hybrid of domestic cats and jungle cats, take two or three years to reach adult size.
It is possible for a Ragdoll kitten to take up to five years to reach full size. Most Ragdoll kittens reach full size in three to four years.
Like Ragdoll kittens, Turkish Van kittens can take three to five years to mature. Most Maine Coon kittens reach full size in three to four years, but may take up to five years.
Norwegian Forest cats are a slow-maturing cat breed. The kittens may be four or five years old before they reach adult size. Siberian kittens may take five years to reach adult size.
Besides size, a kitten may have other physical changes as it matures. Kittens of the Egyptian Mau cat breed may be born with amber eyes, but the eyes turn green within eighteen months. Coat changes in color and texture are common among different cat breeds.
A kitten does not need to reach adult size before being spayed or neutered. Waiting too long to spay or neutor a cat can lead to some undesirable consequences such as spraying in males or an increased risk of mammary cancer in females.
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