When Is A Cat Fully Grown?

Fully Grown CatAt one year of age, most cats would be considered adults.  They’ll still act like mischievous kittens on their first birthday, but for all intents and purposes, they’re now grown-ups.  Though many breeds of cats will not reach their full adult size for another year, most will stop growing by 16 months.

But, some of the larger breeds will take even longer to grow to their full size.  Ragdoll cats and the Maine Coon (the largest cat breed) can take 3-5 years to be fully grown.