How to Calculate Cat Years to Human Years

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If you know want to know how old your cat is in human years, there are some basic calculations that can help.

A lot of people have misconceptions about how to do this, so you will need to learn the facts before doing anything.

Life Stages of a Cat

There are six main life stages that a cat goes through, including:

  • Kitten: These cats are 0 to 6 months of age (0 to 10 human years)
  • Junior: Anywhere from 7 months to 2 years old (12 to 24 human years)
  • Prime: 3 to 6 years old (28 to 40 human years)
  • Mature: 7 to 10 years (44 to 56 human years)
  • Senior: 11 to 14 years (60 to 72 human years)
  • Geriatric: 15 years or older (76 to 100 human years)

Why Should I Learn My Cat’s Human Age?

Learning how old your kitty is in human years can help you care for it a little better. You will be able to understand why it may be having certain problems like arthritis as it ages. This can make you a more empathetic owner, which is always a good thing.

It is important to keep in mind that the older your cat gets, the more prone to disease and health problems it is. You should therefore be especially diligent when it comes to looking for signs of illness at a certain point in their lifespan.

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How to Tell a Cat’s Age

There are actually a number of ways that you can tell a cat’s age just by looking at it. These things can be very helpful if you took in a stray cat from outside.

Coat

The cat’s coat can give you some idea as to just how old it is. Younger cats tend to have soft fur with fine hair, whereas older cats have thicker coats with coarse hair. Older cats also sometimes have areas of white or grey in their coat.

The Eyes Don’t Lie

Young cats usually have clear eyes with a sharp and vibrant color to them. If your cat’s eyes are somewhat cloudy, they are probably at least 10 years old. An older cat’s irises aren’t nearly as smooth as a younger cat’s.

Muscle Tone

The amount of muscle tone your cat has is something else to consider. A younger cat will almost always have more overall muscle tone than an older one. This is because young cats are more physically active on a daily basis.

Teeth

Even your cat’s teeth can help you figure out their approximate age. If your cat has permanent teeth that are still nice and white, they are most likely about a year old. Older cats are more likely to have teeth missing or stained teeth.

How Cats Mature Compared to Humans

Cats mature a lot quicker than humans to be sure. When a cat is just a year old, it is at the same place in its lifespan as a 15 year old person. A two year old cat is comparable to a 25 year old person.

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Once the cat is about two years old, each actual year of its life is equal to around four of our years.

A cat that is 7 months to 2 years of age is equal to a human that is 12-24 years old. Cats that are 3 to 6 years of age are equal to humans 28-40 years old.

Cats that are 7 to 10 years old are equal to a middle aged human, about 44 to 56 years old. A cat of 11 to 14 years old is equal to a human who is 60 to 72 years of age.

Assuming the oldest a person can get is 100 years (there are always exceptions), the oldest a cat can be is about 20 years. Once a cat reaches 16 years of age, they are in about the same place in their lifespan as a person in their mid-80s.

Life Expectancy

There are tons of factors that ultimately determine the life expectancy of a cat. This includes the breed and any genetic mutations they inherited from their parents.

Indoor cats typically live significantly longer than outdoor cats. This is because of all the potential dangers that outdoor cats face, including predators, cars, traps, disease, and even humans.

kitten cat

Can a Vet Tell How Old My Cat is?

A veterinarian can probably give you a pretty good idea about your cat’s age if you are unsure. They may even draw blood and run certain tests to determine this. A thorough physical examination of your pet can be very revealing, especially to those professionals.

Online Calculators

You will be able to find a number of websites on the internet that can provide you with a convenient tool for determining the age of your cat. You can use these websites to get a quick answer. Some of these calculators are better than others, so you should do some research. Find out what sort of formula each one uses so you can get the most accurate possible answer.

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Conclusion

  • There are six main stages in a cat’s life—kitten, junior, prime, mature, senior, and geriatric.
  • A one year old cat is just about equal to a 25 year old person.
  • A two year old cat is equal to someone in their early to mid 30s.
  • Every year counts for four human years past the age of two.
  • You can get clues about your cat’s age by simply examining their eyes, teeth, and coat.
  • The life expectancy of your cat depends on lots of things, including how much time it spends outdoors.
  • Your veterinarian will be able to give you a pretty close approximation of your cat’s age by performing a thorough physical examination.
  • Knowing how old your cat is in human years will make it easier to care for your cat.
  • There are websites with calculators that you can use to quickly find out about how old your pet currently is in human years.

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