American Shorthair age in human years
The American Shorthair typically weighs 7–12 lb and lives 15–20 years. Like all cats, an American Shorthair is about 15 in human years at age one and 24 at two, then ages about four human years per year, so a 5-year-old American Shorthair is about 36.
Enter an age to see human years.
The default is the size-based vet chart. See how pet age is calculated.
American Shorthair facts
- Weight
- 7–12 lb
- Life expectancy
- 15–20 years
- Senior from
- About 10 years old
American Shorthair age in human years
| 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 |
The default is the size-based vet chart. See how pet age is calculated.
Other cat breeds
FAQ
How old is an American Shorthair in human years?
The American Shorthair typically weighs 7–12 lb and lives 15–20 years. Like all cats, an American Shorthair is about 15 in human years at age one and 24 at two, then ages about four human years per year, so a 5-year-old American Shorthair is about 36.
How old is a 3-year-old American Shorthair in human years?
About 28, using the vet chart for cats. A 10-year-old American Shorthair is about 56.
What is the life expectancy of an American Shorthair?
Most live 15–20 years.
When is an American Shorthair considered a senior?
From about 10 years old, like all cats. That is about 56 in human years, and most American Shorthair cats live 15–20 years.