Cat Years To Human Years – A Guide To 8 Different Life Stages.

Wondering how old your cat is? Cat years to human years is possible to covert. See my 8 different life stages and how they convert into human years.

Cat Years To Human Years

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Cat Years To Human Years – Cats At 4 Months Old

Baby Stage – 0-4 In Human years.

This has got to be the cutest stage, at this age cats are just adorable little fluffballs. Generally weighing in at just 2kg or 4.5 pounds. Kittens at this age gain about 500g/ a pound a month.

How Old Is My Cat In Human Years

Cat years to human years

Important things for owners to do and look for during this life stage:

Vaccinations need to be completed through your registered Veterinarian during this life stage.


Regular worming and flea treatments are also Important.
A well-balanced diet is crucial for your kitten’s growth. What you feed them now lays the foundations down for their future.
Talk to your kittens vet about a well-balanced growth diet.

Consider pet insurance why your kitten is young, if they develop any health conditions that require treatment for the rest of their life having insurance is very helpful.

Also any accidents or injury cover is useful.
Read policies and plans carefully, having hereditary conditions covered is a good plan, and especially in their early year/s.

Ideas To Keep Your Kitten Stimulated:

Puzzle games, moving toys, scratching posts and a comfy bed to sleep in are all your kitten needs to keep themselves busy and well rested.

You can check out my post here for ideas:
Cat love bed toys and furniture ideas for cats

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Cat Years To Human Years – Cats At 6 Months Old

Child / Kid Life stage – 5-11 In Human Years

This is the ‘fun stage’ your kitten will love to explore and play during this life stage. Now weighing in at 3-4kg+/ 4-5 pounds depending on breed.

Now fully vaccinated your cat can start to explore outside and play with some bigger toys like a cat tree.

Hopefully you have them covered with good pet insurance. Although young and not prone to illnesses the same as in their later years. If your kitten was to develop a lifelong health condition or injure themselves. You will be thanking yourself for being organized with insurance.

lady cuddling kitten

Important things for owners to do and look for during this life stage:

Flea and worm treatments are still important to keep on top of.
DE sexing your male or female cat is recommended to prevent unwanted litters.
Microchipping your cat is also a priority, this way if they get lost and are found a vet has a way to find and contact you as the owner.

Now exploring outside consider a bell collar for your juvenile cat to protect wildlife and birds.
Although we want our fur babies to explore and enjoy nature, this way we can prevent them from harming it at the same time.

If you plan to keep your cat inside for longer or permanently, then check out these great cat tree options to help keep them stimulated and busy while inside.
Cat tree options for any cat.

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Cat Years To Human Years – Cats At 1 Year Old

Teenager – 12-19 in human years

Now an Adult, your cat is well and truly involved in its world. They are finished growing but will still fill out more and continue to gain muscle. You may notice a change in fur color or density changes at this age.

By now you will know what your cat likes and doesn’t like when it comes to food and toys. Whether inside or out toys, scratching posts, comfy beds, and cat trees are great options to keep them busy.

Fur Fun With CATS

Important things for owners to do and look for during this life stage:

Keep up with vaccinations when due, flea and worm prevention is a must, your cat may require regular grooming if they have a medium or long coat.

Keep your cat on a balanced veterinary recommended diet. Now fully grown they can swap to an adult life stage diet, talk to your vet about which diet is right for their breed and size.
Good nutrition can prevent health problems down the line so it is an investment in their future.

If not already done de-sexing is a must unless you are planning to breed. Preventing unwanted litters and also stopping a male cat from creating them is essential. Talk to your vet about getting your cat de-sexed.

Cat Years To Human Years – Cats At 2 Years Old

Twenties – 20-29 in human years.

Adult cats require less work than kittens, they now know their way around and are settled into their environment. Fully grown and weighing an average of 4-5kg.

You and your cat now have memories and a bond, unlike when they where little and you where creating them. See some resources below to help you learn about your adult cat:

Do Cats Remember Family Members Long Term

Why Is My Cat Staring At Me

Why Cats Are The Best Pets

Tips To Moving House With Your Cat

All Cat Related Posts I’ve Written On One Page To Make It Easy

Ginger Cat

Important things for owners to do and look for during this life stage:

Keep up with vaccinations when due, flea and worm prevention is a must, your cat may require regular grooming if they have a medium or long coat.

A yearly health check with your vet to go over, diet, teeth, body condition, and having their heart checked via stethoscope is always a great idea. Make sure to book your adult cat in for an annual check over. This is also a perfect opportunity to stock up on flea and worm products.

Keep your cat on a balanced veterinary recommended diet.
At this life stage, a veterinary recommended Adult food is needed.
Good nutrition can prevent health problems down the line so it is an investment in their future.

Keep in mind now your cat is de-sexed they are more prone to weight gain. If keeping the pounds at bay is proving to be a struggle talk to your vet about neutered diets, these diets are lower in calories and designed for de-sexed cats.

Cat Years To Human Years – Cats At 5 Years Old

Thirties – Forties – 30 – 49 In Human Years.

A 5-year-old cat is still in the “Adult” life stage. They are accustomed to you and their environment. Have their routines, likes, and dislikes. To which you are well aware of. Still weighing an average of 4-5kg your active cat is well and truly part of the family.

A middle-aged cat should be fit as a fiddle. If you have been following this guide from the beggining the your kitten de-sexed on time, kept on good nutrition from the start, and has had regular flea and worm control.
You have organised vaccinations when due and an annual check-up with the vet to look over you kitty.


Give yourself a pat on the back your an amazing fur baby Mumma/Dadda that is one lucky cat.

Feel like spoiling your adult cat further? Then take a look at these luxury cat gifts

Birman Cat

Important things for owners to do and look for during this life stage:

Keep up the good work, schedule needed vet visits. Don’t forget to protect your cat from flea and worms, and remember prevention is cheaper than dealing with an infestation in your home.

Continue with good nutrition, it is an investment in their health. We are what we eat and that goes for your cat too.

During this life stage your cat will start to enter the geriatric life stage, aww I know that’s probably hard to read. Don’t we all wish they could stay 6 months old forever?

Nutrition wise their needs might change if they become less active then moving to a senior diet is a good idea. Also a yearly blood test with your vet is a great idea. This helps keep an eye on their basic liver, and kidney functions.

Detecting any health concerns or issues early makes a big difference in both treatment or management so don’t skip an annual check-up with your vet.

If you need any of my other cat-related resources you can find all cat posts on this page here:
All Cat Related Posts I’ve Written On One Page To Make It Easy

Cat Years To Human Years – Cats At 10 Years Old

Fifties – Seventies 50 – 79 In Human Years.

Now officially a senior fur baby, you may have noticed your cat start to slow down in their daily adventures. Generally senior cats are just quieter versions of themselves.

Congratulations on taking care or your cat for 10 years!

Cat Names Male

Important things for owners to do and look for during this life stage:

Annual checkups and blood tests are a must. Older cats are prone to renal failure, diabetes, and more. Catching them early can help with treatment and management options tremendously.

A senior based diet is often lower in calories and proteins. Higher in omegas for joint health and mobility. If not already consider switching your senior fluff ball to a more suitable diet.

As always keep up with flea and worm treatments. Don’t miss vaccinations when due.
Joint supplements aren’t necessary if your cat is on the right diet. So always check with your vet before adding something new and potentially expensive.

Some useful resources for this life stage:

Luxury Cat Gifts For A Senior Cat

A guide on quality of life and when to let your senior pet go

Cat Years To Human Years – Cats At 15+ Years Old

Eighties – Centurion 80+ In Human Years

Wow well-done fur baby owner, you have cared and nursed your cat into the centurion life stage.

Now sadly in their final life stage its all about great TLC from here. Which to get this far you are an expert in. Lucky cat.

Cats are the best pets

Important things for owners to do and look for during this life stage:

TLC, vet checkups, and blood tests are a must. Older cats are prone to renal failure, diabetes, and more. Make sure to keep an eye on food and water intake. Activity levels will decrease so monitoring mobility and assessing your cat regularly is necessary.

A senior based diet is often lower in calories and proteins. Higher in omegas for joint health and mobility. If not already consider switching your senior cat to a more suitable diet.

As always keep up with flea and worm treatments. Don’t miss vaccinations when due.
Joint supplements aren’t necessary if your cat is on the right diet. So always check with your vet before adding something new and potentially expensive.

Some useful resources for this life stage:

Luxury Cat Gifts For A Senior Cat

A guide on quality of life and when to let your senior pet go

All cat related posts here

Cat years to human years

Best Cat Breed

  1. How old is a 7 year old cat in human years?

    They are in their Adult Life stage and in their 40-50 in human years.

  2. What is the average lifespan of a house cat?

    2-16 Years Old

  3. How old is a 5 year old cat in human years?

    They are in their adult life stage and considered 30-40 years old in human years.

  4. How old is a 2 year old cat in human years?

    They are in their adult life stage and considered to be in their 20's in human years.

  5. How old is a 1 year old cat in human years?

    They are considered a teenager at this age and around 12-19 years old in Human years.

  6. How old is a 15 year old cat in human years?

    They are a Centurion and are 80+ In Human Years

  7. How old is a 10 year old cat in human years?

    A senior cat at 10-15 years old is 50 – 79 In Human Years.

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