The following kitten growth chart can help you learn what to expect each week in your kitten’s development. Are you wondering about how fast your kitten is growing? Or do you need to find out your kitten’s age based on his size or behavior?

Below you will find out how to gauge her changes and milestones, tips to help you raise her at each growth stage, and info that will let you know what to expect in the weeks ahead.

 Kitten Growth Chart

Kitten Growth Chart: Newborn to 4 Weeks


1 Day Old Kitten


Kitten growth chart newborn kitten development1 day old kitten


Born blind, deaf, and unable to regulate body temperature.

The kittens will root towards their mother’s body heat.

They huddle with siblings for warmth.

Care Guide

Unless they are orphan kittens, just give mama cat some privacy to do her job–she knows best.


5 Day Old Kitten


baby kitten 5 days oldKitten growth chart newborn kitten development


Ears will open, but they are still deaf. Eyes may begin to open at the inner corners.

Still huddling for warmth, not interactive yet.

For growth, they will be twice their birth weight.

Care Guide

If mama cat allows, between nursing sessions begin gently holding the kittens for no more than a minute at a time.

This will be the beginning of the socialization process, to help them become good pets!


10 Day Old Kitten


kitten opening eyes what age10 day old kitten growth stages


They will be able to orient to sound, but do not recognize it yet.

Eyes will be fully open between 9 and 14 days.

Not interacting much with siblings, they are still just interested in nursing and staying warm.


Care Guide

The kittens’ eyes cannot dilate yet, so make sure to protect them from bright lights.

Continue to handle them for a few minutes at a time several times a day–their emotional growth depends on it.


2 Week Old Kitten

2 week old kittens development
kitten growth chart illustration


Still cannot recognize sound, ear canals will open in about a week.

Sense of smell is becoming more developed.

Beginnings of uncoordinated walking and they are becoming more aware of their sibling.


Care Guide

The beginning of the true socialization period–Make sure to handle kittens gently and frequently from now on so they will get used to humans.


3 Week Old Kitten

kitten development at 3 weeks

kitten three weeks old


The kittens’ ear canals have opened and they can recognize sounds.

Now able to control elimination on their own. They may begin purring to communicate to their mother and siblings

It’s almost time to introduce them to the litter box.


Care Guide

Talk to the kittens frequently since they can now hear your voice–and beware of little explorers escaping the nest box!

You can also introduce them to low-level normal household sounds. (No scary vacuum cleaners nearby yet though!)





Kitten Growth Chart: 4 Weeks to 1 Year

4 Week Old Kitten


1 month old kittenkitten 1 month old


Depth perception is developing, and sense of smell is fully functional.

They are walking with less stumbling.

The growth of baby teeth (deciduous) begins, which means soon the kittens will be weaned by their mother.

The kittens begin forming alliances with their litter mates, which may or may not be based on gender.

They are beginning to learn social play, and will be pouncing each other soon!


Care Guide

Begin feeding the kittens soft, wet food or kibble softened with water.

Continue to let them nurse in addition until the Queen (mother cat) decides to wean them.

Make sure you use a natural, non-toxic and non-clumping cat litter, since they will want to taste this too!


6 Week Old Kitten


kitten at 6 weeks growth chart

kittens growth at 6 weeks old


Balance is improving!

The kittens’ eyes will settle into their permanent color.

Baby teeth are fully grown, and the kittens can fully regulate their body temperature.

Social play is at a fully rambunctious (and entertaining) level.

They are nearly fully weaned, although may still continue to suckle.


Care Guide

Catch early bad habits in their tracks!

Training them now will be easier than if you wait.

You can begin with simple stern “no’s” but don’t expect enough of an attention span for anything more complicated.


8 Week Old Kitten

kitten at 6 weeks growth chart2 month old kitten


The kittens are testing the limits of their acrobatic prowess, but they are still accident prone at this growth stage.

The kittens can safely be spayed or neutered.

The kittens will begin understanding and displaying cat body language, especially during play-fighting.

Care Guide

Make sure to supervise the kittens and kitten-proof your home if you haven’t already.

At this stage of kitten growth, you can also begin introducing them to nail trims.


12 Week Old Kitten

3 month old kitten growth3 month old kitten development


The kittens are really beginning to test their physical limits.

They are only about a month away from the growth of their adult teeth.

Fully socialized and ready to be separated from mom and siblings.

Clawing behavior for scent marking begins during this growth stage.


Care Guide

The last of three rounds of vaccines are due (7th, 11th, and 12th week of life) before the kittens can go to their forever homes.


6 Month to 1 Year Old Kitten


6 month old cat growth6 month old kitten development


Welcome to the end of the kitten growth chart!

Ungainly physique, not unlike 15-year old human teenagers.

The kitten will not reach full size until 1-2 years old, or even a bit older if he is a large-breed cat.

During adolescent growth, kittens may begin acting “macho” and may be less affectionate for awhile.


Care Guide

If you adopted one of these kittens, give him plenty of love on his terms.

He has to go through his teenage years and explore his independence, but once he’s through the full kitten growth chart stages should return to your lap in no time!

We hope this kitten growth chart proves valuable in helping you to raise your kitten!

For detailed care instructions, make sure you read the other articles on this site and consult your vet for medical questions.

Find out everything you need to know about your kitten in Raising Kittens: A Care Guide for the New Kitten Owner.