American Staffordshire Terrier: Dog breed weight & growth
A American Staffordshire Terrier is fully grown after a maximum of 15 months. Its final weight is between 40 lbs and 71 lbs, depending on the gender.
Monitor the weight of your dog or puppyGeneral information about the dog breed American Staffordshire Terrier:
Weight, life expectancy, size & more.
American Staffordshire Terrier Males:
- Final weight: 55 lbs - 71 lbs
- Size: 46 cm - 48 cm
- Full-grown: from 15 months
- Life expectancy: 12 - 16 years
American Staffordshire Terrier Females:
- Final weight: 40 lbs - 55 lbs
- Size: 43 cm - 46 cm
- Full-grown: from 15 months
- Life expectancy: 12 - 16 years
Check, track and compare your dog or puppy's weight online now:
Register for freeGrowth curve of American Staffordshire Terrier males:
At the age of 3 months, a American Staffordshire Terrier male dog should weigh between 20 - 25 lbs depending on size. At the age of 6 months, the weight of a male dog is normally between 38 - 47 lbs. Already after one year the growth is mostly completed. A American Staffordshire Terrier male should now weigh between 51 - 63 lbs at the age of 12 months. Another 3 months later, at the age of 1.3 years, his growth phase is completed and he reaches his final final weight of 55 - 71 lbs.
Compare the chart below, as well as the accompanying growth chart, to your American Staffordshire Terrier puppy/dog's weight by registering for free here.
| month 2 | 14 lbs |
| month 3 | 25 lbs |
| month 4 | 34 lbs |
| month 5 | 41 lbs |
| month 6 | 47 lbs |
| month 7 | 50 lbs |
| month 8 | 54 lbs |
| month 9 | 56 lbs |
| month 10 | 59 lbs |
| month 11 | 61 lbs |
| month 12 | 63 lbs |
| month 13 | 65 lbs |
| month 14 | 67 lbs |
| month 15 | 68 lbs |
Growth curve of American Staffordshire Terrier females:
American Staffordshire Terrier females weigh slightly less compared to males. At the age of 3 months the weight is about 15 - 20 lbs. After 6 months, the weight is between 29 - 38 lbs. On her first birthday, the American Staffordshire Terrier female weighs between 39 - 51 lbs and is another 3 months later, at the age of 1.3 years, with 40 - 55 lbs already fully grown.
| month 2 | 12 lbs |
| month 3 | 20 lbs |
| month 4 | 27 lbs |
| month 5 | 34 lbs |
| month 6 | 38 lbs |
| month 7 | 42 lbs |
| month 8 | 45 lbs |
| month 9 | 47 lbs |
| month 10 | 49 lbs |
| month 11 | 50 lbs |
| month 12 | 51 lbs |
| month 13 | 52 lbs |
| month 14 | 53 lbs |
| month 15 | 54 lbs |
Add your dog's weight and compare it to other registered dogs:
Register for freeLatest weighings from registered American Staffordshire Terrier owners
Questions and answers about the American Staffordshire Terrier
How much does a American Staffordshire Terrier puppy weigh?
A American Staffordshire Terrier puppy weighs between 9 - 14 lbs at the age of 8 weeks (2 months). At the age of 16 weeks (4 months), American Staffordshire Terrier puppies already weigh 20 - 34 lbs. So the puppies gain up to 20 lbs within only 2 months.
How big does a American Staffordshire Terrier become?
A American Staffordshire Terrier male will usually grow between 46 - 48 cm. American Staffordshire Terrier Females normally grow between 43 - 46 cm.
When is a American Staffordshire Terrier fully grown?
American Staffordshire Terrier males are full grown at about 15 months, American Staffordshire Terrier females at about 15 months.