How old is an 8-year-old cat in human years?
An 8-year-old cat is about 48 in human years, which makes them a mature adult.
At 8 years, a cat is
48 human years
Vet chart (by size)
Mature adult
Other methods: The ×7 rule: 56
The default is the size-based vet chart. See how pet age is calculated.
Cat ages around 8
| Cat age | Human years | Life stage |
|---|---|---|
| 5 years | 36 | Young adult |
| 6 years | 40 | Young adult |
| 7 years | 44 | Mature adult |
| 8 years | 48 | Mature adult |
| 9 years | 52 | Mature adult |
| 10 years | 56 | Senior |
| 11 years | 60 | Senior |
The default is the size-based vet chart. See how pet age is calculated.
8-year-old cat by breed
FAQ
How old is an 8-year-old cat in human years?
An 8-year-old cat is about 48 in human years, which makes them a mature adult.
Is an 8-year-old cat old?
An 8-year-old cat is a mature adult. Cats are considered seniors from 10 years old.
How old is an 8-year-old cat with the ×7 rule?
56, compared with 48 on the vet chart. The ×7 rule is a myth: pets age fast in their first two years and more slowly after that.