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Question on when cats stop growing

post #1 of 11
Thread Starter 
I didnt know exactly where to post this at but here is my question.

I have 2 cats who are 1 year and 5 months old....are they done growing? We have 4 total cats

our first is going to be 6..we know shes done growing. Shes 17 lbs

another one is 2 years and 2 months old....we think shes done growing...around 9 lbs...very petite

her 2 kids are 1 year and 5 months old. 1 is a girl, shes around her moms size but a bit smaller at 8 lbs. the other is a boy and is bigger at 11 lbs.

the thing that gets me is that the boys feet are huge which only leads me to believe that he isnt done growing? We measured his back feet at 5 1/2 inches long...thats 1/2 inch longer than our 17 lb cat! We kinda think he has some mainecoon in him too.

post #2 of 11
Depending on genetic makeup anything from 18 months to 4 years.
post #3 of 11
Hi John T -
That's a question I would love to have answers to, also! I have a rescue kitten. He weighed about 5.8 pounds at 4 months and now weighs 7 pounds at 6 months. He has grown a lot since I found him. I think he's part Ragdoll,and I know those cats can grow quite large His paws are also large.
I'm wondering what the average rate of growth is for cats. Is it the same as babies or dogs?
post #4 of 11
I guess its diferent for different breeds but I know mine didnt stop until they were around 3 years old and they have stayed the same since then.
post #5 of 11
Thread Starter 
oh i remember you....your cat ducky looks like my cat achilles...thanks for the info. Achilles has always had large feet/paws and a large head too

here are 2 pics of the 2 kittens I rescued and what they look like now
post #6 of 11
Thread Starter 
I still think my Achilles is going to be bigger than he is now. Right now both of them are 1 1/2 y/o. I believe the female is about done. shes about 8lbs. Achilles is 12 but he still doesnt look like he is filled out completely. his feet are huge
post #7 of 11
Thanks for asking this question! I was just wondering about that too.

My cat is 1 1/2 years old and still putting on weight (slowly). She's very active and does not look overweight. It's good to know that she's probably still growing!
post #8 of 11
I think I read that their adult weight will be 2x their weight at 4 months.
post #9 of 11
Some of it depends on the cat as well. Our Bijou and Mika are full brother and sister - he's 17.2 lbs (was 18.5 in July) and Mika is just over 8 lbs. She looks much smaller than he does as well. She was the runt of the litter so I expect this is part of the explanation. I do believe, however, that they continue growing for at least 1 year and that's why I believe in feeding kitten food until they are that age.
post #10 of 11
Hi, I remember the pictures you posted back when your cats were "little" because I do remember that they were big fluffy creatures back then! Big boned longhaired cats like the Maine Coone stop growing and have their full coat at something like 3 years old and it can be nearer 4 years for some, so I would imagine that since you had big youngsters they still have a bit of growing to do yet - and males tend to be larger than females, and the difference between them tends to be bigger in larger breeds of cat
post #11 of 11
Depend on the breed/type of body.

Rexes, Orientals, and the smaller breeds will be pretty much full grown by 9-12 months (may fill out a bit more till 16-18 months.

Medium cats will be full grown by 12-18 months, and continue to fill out up to 2 yrs old.

Larger cats (maine coons/ragdolls, etc.) won't be done growing and filling out till 3-4 yrs old.
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