How to tell how old a kitten is
In the process of raising cats, accurately determining the age of the kitten is crucial to formulating a reasonable feeding plan, vaccination and health management. The age of a kitten can be judged by its teeth, body shape, behavior and other characteristics. The following is a detailed judgment method, combined with the hot topics and hot content on the entire network in the past 10 days, to provide you with a comprehensive guide.
1. Determine the age of a kitten through its teeth

The growth and replacement of a kitten's teeth is an important basis for judging its age. The following are the dental characteristics of kittens of different ages:
| age | dental characteristics |
|---|---|
| 0-2 weeks | toothless |
| 2-4 weeks | Baby incisors begin to grow |
| 4-6 weeks | Eruption of primary canines and premolars |
| 6-8 weeks | All deciduous teeth are fully grown |
| 3-4 months | The deciduous teeth begin to fall out and the permanent incisors begin to grow in. |
| 5-6 months | Permanent canines and permanent premolars erupt |
| 6-7 months | All permanent teeth have grown in |
2. Determine the age of a kitten by its size and weight
Kittens' size and weight also change as they age. The following is a reference for the weight of kittens of different ages:
| age | weight range |
|---|---|
| 0-1 week | 100-150g |
| 1-2 weeks | 150-250g |
| 2-4 weeks | 250-400g |
| 4-8 weeks | 400-800g |
| 2-3 months | 800-1200g |
| 3-6 months | 1200-2500g |
| 6-12 months | 2500-4000g |
3. Determine the age of a kitten through its behavior
The behavioral development of kittens is also an important reference for judging age. The following are the behavioral characteristics of kittens of different ages:
| age | behavioral characteristics |
|---|---|
| 0-2 weeks | Completely dependent on the female cat and unable to walk |
| 2-4 weeks | Start learning to walk and try to stand and walk |
| 4-8 weeks | Lively and active, begin to explore the surrounding environment |
| 2-3 months | Begins to learn hunting behavior and likes to play |
| 3-6 months | Increased independence and territorial awareness |
| 6-12 months | Behavior similar to that of an adult cat, sexually mature |
4. Supplementary information combined with hot topics across the Internet
Recently, the topic of determining the age of kittens has sparked widespread discussion on social media. The following is the hot content in the past 10 days:
| hot topics | Main content |
|---|---|
| Kitten dental health | Experts remind kittens to pay attention to oral hygiene when their baby teeth are falling out |
| Kitten Feeding Guide | Differences in nutritional needs of kittens of different ages draw attention |
| kitten behavior training | How to Develop a Behavior Training Plan Based on Your Kitten’s Age Becomes Popular |
5. Summary
Determining a kitten's age requires a combination of characteristics including teeth, size, weight and behavior. Through the above methods, you can more accurately understand the development stages of kittens, so as to provide them with more scientific care. The recent hot topic about determining the age of kittens also reminds us that it is every cat owner's responsibility to pay attention to the health and development of kittens.
I hope this article can help you better determine the age of your kitten and provide a valuable reference for your cat-raising journey!
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