How to calculate the age of the cat

matching human years

To calculate the age of the cat in human years, it is very common to multiply the age of our animal by 7. However, this method does not give convincing results.

A domestic cat lives on average 15 years, but there are not rare cases of much longer-lived cats that can even exceed 20 years of life. If the 7-year rule were correct, it would mean that a 20-year-old cat would be the equivalent of a 140-year-old man. Does that seem possible?

For this reason, a more precise way has been established to calculate the age of a cat in human years.

happy birthday cat

Calculating the cat's age in human years: how to do it

  1. Calculate how old your cat is. This will be easy if the cat in question has been with you since it was born. Otherwise, your veterinarian will be able to estimate the age of your cat based on the analysis of its teeth and other parts of the body. But beware, sometimes even the vet may find it difficult as cats, especially if in good health, are able to hide their age very well, so animals of 14 or 15 years can be even seven years younger.
  2. Your cat develops physically and sexually within the first 12 months of life. A human being reaches this point at around 15 years of age. So one year of age of the cat corresponds to the age of 15 for men.
  3. When your cat turns two, add 9 years. Your 2-year-old cat therefore has the maturity of a 24-year-old person.
  4. After the first 2 years of a cat's life, each feline year will be equivalent to approximately 4 human years. So a 3 year old cat will be the equivalent of a 28 year old man; a cat of 4 of a man of 32, and so on (see conversion tables).



3 months 5 years
6 months 10 years
1 year 15 years
2 years 24 years
3 years 28 years
4 years 32 years
5 years 36 years
6 years 40 years
7 years 44 years
8 years 48 years
9 years 52 years
10 years 56 years
11 years 60 years
12 years 64 years
13 years 68 years
14 years 72 years
18 years 88/91 years
20 years 91/96 years
21 years 96/106 years


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