American Staffordshire Terrier age in human years
The American Staffordshire Terrier is a large breed weighing 40–70 lb, with a typical life expectancy of 12–16 years. On the size-based vet chart, a 5-year-old American Staffordshire Terrier is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Terrier group.
Enter an age to see human years.
The default is the size-based vet chart. See how pet age is calculated.
American Staffordshire Terrier facts
- Size
- Large (51–100 lb)
- Weight
- 40–70 lb
- Life expectancy
- 12–16 years
- Senior from
- About 10½ years old
- Breed group
- Terrier
American Staffordshire Terrier age in human years
| Dog age | Large | Life stage |
|---|---|---|
| 1 year | 15 | Puppy |
| 2 years | 24 | Young adult |
| 3 years | 28 | Mature adult |
| 4 years | 32 | Mature adult |
| 5 years | 36 | Mature adult |
| 6 years | 45 | Mature adult |
| 7 years | 50 | Mature adult |
| 8 years | 55 | Mature adult |
| 9 years | 61 | Mature adult |
| 10 years | 66 | Mature adult |
| 11 years | 72 | Senior |
| 12 years | 77 | Senior |
| 13 years | 82 | Senior |
| 14 years | 88 | Senior |
| 15 years | 93 | Senior |
| 16 years | 99 | Senior |
| 17 years | 105 | Senior |
| 18 years | 111 | Senior |
The default is the size-based vet chart. See how pet age is calculated.
Other large dog breeds
FAQ
How old is an American Staffordshire Terrier in human years?
The American Staffordshire Terrier is a large breed weighing 40–70 lb, with a typical life expectancy of 12–16 years. On the size-based vet chart, a 5-year-old American Staffordshire Terrier is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Terrier group.
How old is a 3-year-old American Staffordshire Terrier in human years?
About 28, using the vet chart for large dogs. A 10-year-old American Staffordshire Terrier is about 66.
What is the life expectancy of an American Staffordshire Terrier?
Most live 12–16 years.
When is an American Staffordshire Terrier considered a senior?
From around 10½ years old, the last quarter of its expected lifespan. That is about 69 in human years.