Behavior Pet Facts Definitive Guide To Calculate Cat Years To Human Years

Definitive Guide To Calculate Cat Years To Human Years

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Pets are a wonderful addition to any home, bringing comfort, affection, and companionship. Unfortunately, they age faster than us. While there is no way to measure the exact aging of your cat’s life, you may find it useful to work out their age in human years of age.

Understanding the cat years to human years equation will help you to appreciate whether your five-year-old cat is a young cat, senior cat, or simply middle-aged. Understanding a cat in human terms can help you to assess their health and when they need medical assistance.

The Basic Cat Years To Human Years Calculation

The first thing to note is that it is generally agreed that indoor cats live longer than outdoor cats. Outdoor cats tend to deal with more stress and are at greater risk of accidents. Reaching 12 years old is good, 15 years old is impressive. In contrast, the average indoor cat can reach 16-18 years old.

To calculate cat years to human you need the cat age calculator:

  • The first two years of a cats life equate to a human age of 25
  • Every human year after this that the cat lives for is; approximately 4 cat years

Hence, a 4-year-old cat will be 25+4+4 = 33 in human years.

Want to read more about your cats age in human years? You can click this link to find out more. 

If you are not sure of your cat’s age then you can look at the following signs to gain an idea of which of the main three life stages they are at.

  • Teeth

A cat gains their teeth between 2-4 weeks old. At 4 months they get their permanent cats teeth. In effect, they are still a kitten.

At 3-5 years old, as they approach middle-age in human ages, they will have yellow tartar stains on all their teeth.

In older cats, there are likely to be teeth missing.

  • Eyes

Cat’s eyes tell the age of your cat surprisingly well. It varies depending on age. If they have a smooth iris they are still young. As they age the iris will start to look cracked, this indicates an older cat. Senior cats will often have eye discharge and may have cloudy eyes.

  • Condition

If your cat is less active then it is getting older, although interactive toys can slow this process, the more reduced the muscle mass the older the cat is. You will also find that older cats have coarse fur and may even have graying fur. Of course, a good cat bed will help them to age comfortably and gracefully.

Photo of white and brown cat. Part of the "Definitive Guide To Calculate Cat Years To Human Years" article.
Photo by Yerlin Matu on Unsplash

Fascinating Cat Facts

  • The world’s oldest cat, according to the Guinness book of records, was 38, an impressive 169 cat years!
  • Cats sleep 70% of the time
  • A Maine Coon cat called Stewie reached 48.5 inches long
  • Blackie the cat inherited his owner’s £7 million fortune!
  • Felicette the cat went into space on October 18th, 1963

Cats really are amazing creatures.



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