Cat age chart
Find your cat’s age in the left column to see their age in human years and life stage. Cats are about 15 at one, 24 at two, then age about four human years per year.
| Cat age | Human years | Life stage |
|---|---|---|
| 1 year | 15 | Young adult |
| 2 years | 24 | Young adult |
| 3 years | 28 | Young adult |
| 4 years | 32 | Young adult |
| 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 |
| 12 years | 64 | Senior |
| 13 years | 68 | Senior |
| 14 years | 72 | Senior |
| 15 years | 76 | Senior |
| 16 years | 80 | Senior |
| 17 years | 84 | Senior |
| 18 years | 88 | Senior |
| 19 years | 92 | Senior |
| 20 years | 96 | Senior |
| 21 years | 100 | Senior |
| 22 years | 104 | Senior |
| 23 years | 108 | Senior |
| 24 years | 112 | Senior |
| 25 years | 116 | Senior |
The default is the size-based vet chart. See how pet age is calculated.
Under one year
Need months or a specific breed? Use the cat age calculator.
Cat life stages
| Life stage | Age |
|---|---|
| Kitten | Under 1 year old |
| Young adult | 1 to 6 years old |
| Mature adult | 7 to 9 years old |
| Senior | 10 years and older |
FAQ
How do cat years convert to human years?
A one-year-old cat is about 15 in human years and a two-year-old about 24, then about four human years per year.