Staffordshire Bull Terrier Size & Weight Chart: How Big Do They Get?
Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.
Quick answer: A full-grown Staffordshire Bull Terrier typically weighs 24-38 lb (11-17 kg) and stands 14-16 in (36-41 cm) tall at the shoulder; males usually weigh 28-38 lb (13-17 kg) and females 24-34 lb (11-15 kg). Most reach their adult size by around 12 months.
Photo: Or Logassi · CC BY-SA 4.0 · via Wikimedia Commons
The Staffordshire Bull Terrier is a compact, muscular British terrier with a famously people-loving temperament. Staffies are one of the UK's most common breeds and are known for their devotion to their families.
| Size category | Medium |
|---|---|
| Typical adult weight | 24-38 lb (11-17 kg) |
| Height at the shoulder | 14-16 in (36-41 cm) |
| Full grown by | 12 months |
| Life expectancy | 12-14 years |
Male vs female Staffordshire Bull Terrier size
| Weight | Height | |
|---|---|---|
| Male | 28-38 lb (13-17 kg) | 14-16 in (36-41 cm) |
| Female | 24-34 lb (11-15 kg) | 14-16 in (36-41 cm) |
Per the AKC breed standard. Individual dogs can sit outside these ranges and still be perfectly healthy — body condition matters more than hitting a number.
Staffordshire Bull Terrier weight chart by age (lb & kg)
Estimated weights for an average Staffordshire Bull Terrier puppy, based on the typical growth curve for a medium breed. Males usually track toward the top of each figure, females toward the bottom.
| Age | Weight (lb) | Weight (kg) |
|---|---|---|
| 2 months | ~9 lb | ~4.1 kg |
| 3 months | ~14 lb | ~6.4 kg |
| 4 months | ~19 lb | ~8.6 kg |
| 5 months | ~22 lb | ~10 kg |
| 6 months | ~26 lb | ~12 kg |
| 12 months (full grown) | 24-38 lb | 11-17 kg |
When does a Staffordshire Bull Terrier stop growing?
Staffordshire Bull Terriers typically reach adult height by around 12 months and keep filling out through the chest until about 18 months. Smaller breeds like the Staffordshire Bull Terrier reach full height and fill out fairly close together, so growth tends to look "done" all at once.
Use the Puppy Weight Predictor below — it's pre-loaded with the Staffordshire Bull Terrier's growth curve, so just enter your puppy's current weight and age.
Predict your Staffordshire Bull Terrier's adult weight
Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.
Open the Puppy Weight PredictorHow much does it cost to feed a Staffordshire Bull Terrier?
A typical adult Staffordshire Bull Terrier (31 lb, average activity) needs roughly 813 kcal/day — about 0.5 lb (1.9 cups) of dry kibble per day, which works out to around $29/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $325/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Staffordshire Bull Terrier feeding chart for puppy amounts by month.
Estimate Staffordshire Bull Terrier food costs
Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.
Open the Dog Food Cost CalculatorBrowse dog food sized for a Staffordshire Bull Terrier
Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.
Browse dog food on Amazon(affiliate link)How old is my Staffordshire Bull Terrier in human years?
The old "×7" rule doesn't hold up — medium breeds like the Staffordshire Bull Terrier age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.
Convert your Staffordshire Bull Terrier's age
Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.
Open the Staffordshire Bull Terrier Age CalculatorCommon health considerations
- L-2-hydroxyglutaric aciduria, an inherited metabolic disorder affecting the brain, is DNA-tested for in the breed.
- Hereditary cataracts can appear at a young age.
- Skin allergies and hip dysplasia are also relatively common.
This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.
Is pet insurance worth it for a Staffordshire Bull Terrier?
See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.
Staffordshire Bull Terrier insurance costSimilar breeds
Based on energy level, living-space fit, and care needs, these breeds are closest to the Staffordshire Bull Terrier:
Take our breed match quiz
Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Staffordshire Bull Terrier — actually fit best.
Take the Breed Match QuizFrequently asked questions
How much does a full-grown Staffordshire Bull Terrier weigh?
A full-grown Staffordshire Bull Terrier typically weighs 24-38 lb (11-17 kg), making it a medium breed. Males usually weigh 28-38 lb (13-17 kg) and females 24-34 lb (11-15 kg). Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.
How tall is a full-grown Staffordshire Bull Terrier?
A full-grown Staffordshire Bull Terrier stands 14-16 in (36-41 cm) tall, measured at the shoulder (withers).
When does a Staffordshire Bull Terrier stop growing?
Staffordshire Bull Terriers typically reach adult height by around 12 months and keep filling out through the chest until about 18 months. Height typically levels off a bit before this; smaller breeds like this one fill out relatively quickly once they reach height.
Is a Staffordshire Bull Terrier a good first dog?
It can work for a first-time owner who does their homework, but the Staffordshire Bull Terrier isn't the automatic beginner-friendly pick either — read the exercise and grooming sections above before deciding.
How much exercise does a Staffordshire Bull Terrier need?
Above average — plan on 45-60 minutes of real activity most days. A short walk around the block won't be enough on its own for a Staffordshire Bull Terrier.
Is a Staffordshire Bull Terrier good with kids?
Generally good with kids, especially with basic training and normal socialization. As with any breed, supervise younger children and teach them how to approach and handle the dog.
How much grooming does a Staffordshire Bull Terrier need?
About as wash-and-go as it gets. The Staffordshire Bull Terrier needs minimal brushing and rarely requires professional grooming.