Most kittens will not reach adult size until they are 2 years old. The normal weight at this age ranges from 4 to 6 pounds for females and 5 to 9 pounds for males. These weights may vary with different breeds of cats, but the average is accurate enough for most purposes.
How do I find out my cat’s age?
You can figure your cat’s age by counting the number of weeks since her birth. There are several approximate methods you can use depending on how confident you feel about the accuracy of your method: