How big will my American Staffordshire Terrier get?
An adult American Staffordshire Terrier weighs 55 to 70 pounds for males and 40 to 55 pounds for females (24.9 to 31.8 kg for males and 18.1 to 24.9 kg for females), according to the American Kennel Club. Put in your puppy’s age and weight to see where they’re heading.
American Staffordshire Terrier puppy weight calculator
American Staffordshire Terrier adult weight
| Pounds | Kilograms | |
|---|---|---|
| Male | 55 to 70 pounds | 24.9 to 31.8 kg |
| Female | 40 to 55 pounds | 18.1 to 24.9 kg |
Adult weight from the American Kennel Club’s American Staffordshire Terrier breed page, checked 1 October 2026. Individual dogs vary, and a healthy weight for your dog is one for your vet to judge.
How the estimate works
The calculator takes your puppy’s weight, divides it by their age in weeks, and multiplies by 52. It’s a quick guide, not a growth chart: puppies gain fast early on and slow down as they near adult size, so the answer shifts as they grow. That’s why the result is shown next to the breed’s adult weight. If the two disagree, trust the breed’s weight and your vet.
More on the American Staffordshire Terrier
- Ask other owners on the forum how their American Staffordshire Terrier grew.
- Find a dog trainer near you, ranked by Bark Score with training methods labelled.
- Dog age calculator: your dog’s age in human years.