Bringing home a kitten does n’t always intend you ’ll know the kitty ’s birth escort . Sometimes kittens that are take from shelters , found as stray , orreceived through meansother than a stock breeder may have no known precise age .

Determining a Kitten’s Age by Development

The best elbow room to reckon out the old age of a kitten is to look at itsphysical and behavioral development . There are clear " milepost " that can be found in a kitty ’s growth that may not help you pin down the exact 24-hour interval of the birth but should help you figure out the likely week of their nativity .

Kitten Eye Development

A kitten ’s eyes are a ripe indicator of their age .

A kitten ’s oculus are close when they are hold and remain so until about 7 to 10 days of age .

Note that there is often a difference between short hair and longhair cats regarding opening the optic . Shorthair kitty be given to beginopening them soonerthan longhair kittens who will tend to spread out them toward the end of the medium time reach .

Grey and white kitten

At 10 to 14 solar day , the kitty ’s eyes will be mostly opened when they ’re alive , and they will be a brilliant lustrous blue air .

Once a kitten reaches two to three weeks of age , their eyes will be open like a normal grownup computed axial tomography when awake .

A kitten ’s eyes will get going tochange colorbetween three and eight weeks of eld with their concluding color sink by three calendar month of geezerhood . Even a kitty that will have patrician middle as an adult will show some color and shading change to settle on their final adult hue .

Kitten on a scale

Kitten Ear Development

Another exculpated indicator for early kitten development and age is observe their ears .

A kitty ’s ear are close completely when they are stick out and stay so for the first two weeks . They will come along to lie flat against the kitten ’s caput .

ear begin spread out after two weeks have passed and they should be to the full receptive and upright by the clock time they reach three week of age .

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Kitten Dental Development

The growth of a kitten ’s tooth is also a good way to learn historic period .

Kittens do not have tooth when they are newborn and remain toothless until about three week of age .

Deciduous and canine teeth can be visible in the mouth during the age of three to five weeks .

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The crushed molars will also become visible around four to five weeks and the upper molars around eight week .

A kitty will display a full band of babe teeth during the period of five to eight weeks of eld .

During the two to four - calendar month - old time frame , the kitty ’s deciduous teeth will start to fall out to make way for their adult teeth .

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A kitty ’s readiness of adult teeth will be seeable and lay between four to seven calendar month of geezerhood .

If you need help to define which are their baby and grownup teeth during this full point , as a usher babe dentition are tiny and pointed whereas adult teeth will look less acerate leaf - like and are thicker .

A veterinarian can also review the level of growth to give you a narrower old age cooking stove for your kitty between the four and seven - calendar month period .

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Kitten Behavioral Development

find out how a kitten interacts with their environment , assume the kitten is healthy , can also give you clues to their geezerhood .

Kittens spend about 90 % of their time sleeping for the first two week and only are awake to eat and maybe creep around a second on the female parent .

When a kitty hit two to three week of age , they will start to move more and begin attempting to walk .

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kitten will set out purr around three hebdomad of eld .

At four to five hebdomad of long time , a kitty will start to become much more active and will diddle more with other kittens .

kitten will also start using the litter box at four to five week of age .

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Around six to seven weeks of old age , the kitty will become more confident and take off hazard away from the mother and interact with their surroundings .

At about seven to eight weeks of age the kittens will be wean from the mother .

Between eight and 16 weeks , the kittens should be actively engaging with the human beings and seem energetic , alert and inquisitive .

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Another indicator of age is intimate maturity date . A female kitten cango into heatfrom the age of five months sure-enough and a male kitty can beresponsive to femalesin rut at about the same time menses .

Determining a Kitten’s Age by Weight

Another plebeian method acting is toweigh the kitten . Realize thatweights of kittenswill motley by breed , so if you have alarger breedlike aMaine Coonor asmaller breedlike aSiamese , their weights will be a mo different from the norm listed here . It ’s a good theme to apply the weight method acting in conjunction with look at physical and behavioral characteristics , peculiarly if you do n’t lie with the stock and their eventual average grownup weighting .

Kitten Weight by Age

Age

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mediocre Weight

Up to a workweek one-time

Up to 4 ounce

7 to 10 days former

4 to 6 ounces

10 to 14 days old

6 to 8 apothecaries' ounce

14 to 21 daylight old ( two to three weeks )

8 to 12 Panthera uncia

28 to 35 days old ( four to five weeks )

12 to 16 ounces

42 to 49 day old ( six to seven week )

1 to 1-½ pounds

56 days ( eight weeks )

1-½ to 2 pounding

After eight weeks of age , a kitty will gain about one pound per month , so an median - size three - month - one-time kitty would be about three Sudanese pound , a four - month - old about four pounds , and so on .

Figuring Out Your Kitten’s Age

It ’s important to determine your kitten ’s age to check that you ’re giving them the right health care and fulfilling their dietetical needs . The best means to determine their eld is to use a combination of these methods to total up with an estimate . Do n’t forget to bring your unexampled feline friend in for his or her first veterinary sojourn and postulate your veterinarian for help with deciding on your kitty ’s age .