What Is The Average Size Of A 4 Month Old Kitten?

I have a kitten and it is about four months old. But I…

what is the average size of a 4 month old kitten? I have a kitten and it is about four months old. But I still think she’s going to grow bigger. It seems like everyone else says that kittens are smaller when they get older, but my kitten has been growing really fast so far, even though she doesn’t appear very big now. Shouldn’t there be some sort of growth spurt at around 2 or 3 months? If not then why does everyone say that cats don’t change much from their birth weight till they’re almost full grown at 1 year of age?