What being 56 means for your cat
At ten, your cat is about 56. Kidney disease and hyperthyroidism become more common from here, and both are easier to manage when caught early.
| Cat age | Human years | Stage |
|---|---|---|
| 9 years | 52 | Mature adult |
| 10 years | 56 | Mature adult |
| 11 years | 60 | Senior |
For comparison, a 10-year-old medium-sized dog is about 60 in human years. See 10 dog years in human years.
Frequently asked questions
How old is a 10 year old cat in human years?
About 56. The first cat year equals 15 human years, the second adds 9, and every year after adds about 4.
Is a 10 year old cat old?
No, a 10-year-old cat is a mature adult. Cats are usually considered senior from about 11.