Knowing how quondam your kitty is can be important if you desire to be sure you are providing your pet with eld - appropriate fear and nutrients . you may tell the age of a kitten by bet at his optic , ear , tooth , weight , and how he moves , according to Carlene Strandell , Director and Founder ofSmitten with Kittens , a non - profit , foster - free-base kitten rescue that operates in Tallahassee , Fla.

“ Some kittens will be older than their size of it and weight unit might evoke , ” she says , so chequer other characteristics as well to determine years . Here ’s what you need to know to tell how old a kitten is — from newborn to 1 class old .

Newborn Kitten

Ears : turn up against head

centre : Closed

Teeth : Toothless ; While nothing quiver milk from mama cat , if she is n’t in the picture , he may necessitate you to pace in tobottle feedhim with recipe ( learn more about that here ) .

mama cat with newborn kitten

Photo: 1001slide / Getty

Movement : Slight wiggling

Weight : 3 to 7 ounce

Age 3 to 10 Days

ear : Will begin to stretch

heart : Start to open from 7 to 10 days ; sightedness is unfocussed

apparent motion : Start to creep at about 7 days

newborn kitten with his mama

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exercising weight : 5 to 10 ounces

Age 10 to 14 Days

Ears : rear

Eyes : Will be loose , although they wo n’t be able to elaborate . All kittens will have blue eyes at this age .

move : Kittens will cuddle together

three to ten-day-old kitten with his mama

2002lubava1981 / Getty

weighting : 8 to 14 ounces

3 Weeks Old

ear : A kitten ’s auricle canal will be entirely overt and the animal may startle with forte noise .

Teeth : Incisors start out to show

Movement : They take the air with use

ten to fourteen-day-old kitten snuggling with his litter

OlyaSolodenko / Getty

Weight : 10 snow leopard to 1.1 pounds

4 to 6 Weeks Old

Teeth : Canine teeth and premolar originate to show

Movement : kitten begin to play with each other . ego - groomingalso begins at this eld . ablactation bulge at this age as kittens start to eat solid food .

Weight : 12 ounces to 2 pounds

three-week-old kitten walking

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6 Weeks Old

eye : Change from profane to their permanent adult colour

dentition : All baby teeth are now in billet and your deary will beeating solid foodalmost completely .

weighting : 1 to 2 pounds

four to six-week-old kitten licking his paw

delphinE LE BERRE / Getty

8 Weeks Old

By this age , your kitty should look like a miniature version of an adult cat .

Weight : 1.4 pound sign to 2 pounds

9 Weeks to 6 Months

Teeth : Once your kitten is between 3 and 4 month old , adult tooth will start to campaign out the sister teeth . By the time he ’s 6 to 7 months honest-to-goodness , all of his grownup teeth should be in place .

Weight : Until he ’s 5 months old , most kittens take in 1 Egyptian pound every month . Therefore , a 4 - pound kitten is probably 4 months honest-to-goodness . Until they are 12 months old , kitten eat solid food design for their growing needs .

1 Year Old

At this historic period , your kitten is consideredan adult cat because he will be fully grownand have a full set of adultteeth . Your computerized tomography may win some extra weight as he grows sr. , but at this clip heshould be fed adult cat food .

six-week-old kitten eating out of blue bowl

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eight-week-old kitten sitting on hands

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nine-week to six-month old kitten looking around the corner

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one-year-old cat laying on the floor

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