Use this American Bulldog puppy weight calculator to predict how big your puppy will get. American Bulldogs are a working breed that typically reach full size by around 18-24 months.
Enter your puppy's current weight and age to predict their adult size
Estimates based on breed growth curves. Individual dogs vary with genetics and nutrition — check with your vet for a personalized read.

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| Age | Weight |
|---|---|
| Birth | 2 to 4 lbs |
| 2 Months | 8 to 15 lbs |
| 3 Months | 15 to 25 lbs |
| 4 Months | 23 to 35 lbs |
| 5 Months | 30 to 45 lbs |
| 6 Months | 38 to 55 lbs |
| 7 Months | 45 to 65 lbs |
| 9 Months | 53 to 75 lbs |
| 10 Months | 60 to 85 lbs |
| 1 Year | 68 to 95 lbs |
| 1.5 Years | 74 to 100 lbs |
| 2 Years | 75 to 100 lbs |
Estimated from typical large-breed growth curves and the American Bulldog's adult weight range. Individual puppies vary — use the calculator above for a prediction based on your puppy's actual current weight.
New breed data, growth tips, and puppy-parenting insights, plus our free printable puppy growth tracker.
American Bulldogs are prone to hip dysplasia and elbow dysplasia given their muscular build, along with some skin allergies. Deafness is documented in the breed at a modestly elevated rate tied to certain coat colors.
A quality diet in measured portions; this athletic breed benefits from staying lean to protect joints.
The short coat needs minimal grooming — an easy-care breed overall.
Early socialization and consistent obedience training matter given the breed's strength and protective instincts.
Descended from working farm bulldogs brought to the American South by English immigrants, used historically for guarding property and catching semi-wild livestock — nearly disappeared after World War II before a small number of dedicated breeders rebuilt the population.
Athletic and strong, American Bulldogs combine real working-dog capability with a loyal, protective family temperament.