What being 15 means for your cat
A one-year-old cat has finished its fastest growth and is sexually mature, like a 15-year-old. Most still have plenty of kitten energy. Two play sessions a day keep them out of trouble.
| Cat age | Human years | Stage |
|---|---|---|
| 1 year | 15 | Young adult |
| 2 years | 24 | Young adult |
For comparison, a 1-year-old medium-sized dog is about 15 in human years. See 1 dog years in human years.
Frequently asked questions
How old is a 1 year old cat in human years?
About 15. The first cat year equals 15 human years, the second adds 9, and every year after adds about 4.
Is a 1 year old cat old?
No, a 1-year-old cat is a young adult. Cats are usually considered senior from about 11.