Staffordshire Bull Terrier weight predictor
AKC: males 28–38 lb, females 24–34 lb. Compact and muscular — weight should sit on a lean frame.
Typical adult: 24–38 lb · grown by ~13 months
Predicted adult weight
Fully grown—
likely —
Enter your puppy’s weight and age.
That doesn’t look right
Your puppy’s growth curve
Estimated weight as they grow up — the dot is where they are now.
| Age | Est. weight |
|---|
Good to know
General guidance only — an estimate, not veterinary advice. Always check with your vet about your pet’s growth, weight and diet.
How this was calculated
For a Staffordshire Bull Terrier we use the medium-breed growth curve (matures around 13 months): adult weight ≈ current weight ÷ the fraction of adult weight a medium breed reaches at this age. Typical adult weight (24–38 lb) is from the AKC breed standard. The gauge shows where your prediction lands against the breed-typical adult range.
Source: AKC breed standard + WALTHAM growth charts. Full method on our methodology page.
Built by the PawGauge team, reviewed against cited veterinary sources. Last reviewed 29 June 2026.
About our figures →Staffordshire Bull Terrier growth chart
Typical Staffordshire Bull Terrier weight from 8 weeks to fully grown, for males and females. A healthy Staffordshire Bull Terrier tracks near these figures — individuals sit up to ~10–15% either side.
| Age | Male | Female |
|---|---|---|
| 8 weeks | 8.9 lb (4.0 kg) | 7.8 lb (3.5 kg) |
| 3 months | 12.5 lb (5.7 kg) | 10.9 lb (4.9 kg) |
| 4 months | 16 lb (7.3 kg) | 14.1 lb (6.4 kg) |
| 5 months | 19 lb (8.6 kg) | 16.7 lb (7.6 kg) |
| 6 months | 22.1 lb (10 kg) | 19.5 lb (8.8 kg) |
| 7 months | 24.3 lb (11 kg) | 21.4 lb (9.7 kg) |
| 8 months | 26.4 lb (12 kg) | 23.2 lb (11 kg) |
| 9 months | 28.3 lb (13 kg) | 24.8 lb (11 kg) |
| 10 months | 29.9 lb (14 kg) | 26.3 lb (12 kg) |
| 12 months | 32.4 lb (15 kg) | 28.4 lb (13 kg) |
| Adult (~13 mo) | 28–38 lb (13–17 kg) | 24–34 lb (11–15 kg) |
Staffordshire Bull Terrier growth, explained
Staffordshire Bull Terriers are a medium breed, so they follow the medium-breed growth curve. AKC: males 28–38 lb, females 24–34 lb. Compact and muscular — weight should sit on a lean frame. Most reach close to their adult weight by around 13 months, then continue to firm up in muscle and chest for a while after.
To predict an adult weight we divide your puppy’s current weight by the fraction of adult weight a medium breed has typically reached at that age. Typical adult weight (24–38 lb) is from the AKC breed standard. The result is an estimate with a likely range — genetics and nutrition move individual dogs up or down. If your Staffordshire Bull Terrier looks heavier or lighter than the breed-typical band, your vet is the best person to check.
Staffordshire Bull Terrier weight questions
- How big do Staffordshire Bull Terriers get?
- A typical adult Staffordshire Bull Terrier weighs about 24–38 lb. AKC: males 28–38 lb, females 24–34 lb. Compact and muscular — weight should sit on a lean frame.
- What should a Staffordshire Bull Terrier weigh by age?
- See the Staffordshire Bull Terrier growth chart above for weight at 8 weeks through to adult. As a guide, a medium-breed puppy is roughly half its adult weight by about 4 months.
- Do male and female Staffordshire Bull Terriers weigh differently?
- Yes — male Staffordshire Bull Terriers run about 28–38 lb and females about 24–34 lb, so the growth chart above shows a separate line for each. Individuals overlap.
- When is a Staffordshire Bull Terrier fully grown?
- Staffordshire Bull Terriers are a medium breed and usually finish growing around 13 months, though they may keep filling out a little after that.
- How accurate is this for a Staffordshire Bull Terrier?
- Within about 10–15% if your puppy is a typical Staffordshire Bull Terrier. Crossbreeds, runts and big-boned individuals vary more. It’s an estimate — your vet can assess your individual dog.
