Cat years to human years

cat years to human years

Want to convert cat years to human years? You've probably heard that you can multiply one cat year by seven to get the answer you're looking for. But that's not true.

While there is no straightforward answer to the question "How many human years in a cat year," you can calculate cat age in human years using these estimations:

  • the first kitten's year is equal to 15 human years;
  • at 2 years, 9 more years are added to a cat's age in human years;
  • after that, cats have 4 human years added for every cat year.

Cat years to human years calculator

Convert cat years to human years using our online cat age converter:




Knowing your cat's age in human years is a good idea. You'll know if your furry friend is young or old, what behaviour to expect from him and so you'll understand your cat better!

So now you can find out your cat's human age equivalent. For example:

Cat age Human age
7 months 12 years
1 year 15 years
2 years 24 years
3 years 28 years
4 years 32 years
5 years 36 years
7 years 44 years
9 years 52 years
10 years 56 years
12 years 64 years
13 years 68 years
15 years 76 years
18 years 88 years
20 years 96 years

How do cats age?

Cats live through 6 main life stages:

  1. From birth to 6 months - kittens
  2. From 7 months to 2 years – junior cat
  3. From 2 years to 6 years – adult cat
  4. From 7 years to 10 years – mature cat
  5. From 10 years to 14 years – senior cat
  6. From 15 years and older – super senior cat

The oldest cat recorded was Cream Puff, who died at the age of 38 years and 3 days (which equals 168 human years!).

Cat age chart


cat years to human years chart