How Big Will My Bernese Mountain Dog Get?
Bernese Mountain Dogs are a large breed that typically weigh 32–52 kg (71–115 lbs) at full size. Large breeds take longer to mature, typically reaching their adult weight around 14–18 months.
Bernese Mountain Dog Size at a Glance
Adult Weight
32–52 kg
71–115 lbs
Adult Height
58–70 cm
23–28 in
Size Category
large
Fully Grown By
14–18 mo
Bernese Mountain Dog Growth Chart
Bernese Mountain Dog Weight by Age
Predict Your Bernese Mountain Dog Puppy's Adult Weight
Enter your puppy's current age and weight for a personalized prediction.
Open Weight CalculatorBernese Mountain Dog Growth & Development
Large breeds take longer to mature, typically reaching their adult weight around 14–18 months. They grow rapidly between 3–6 months.
A Bernese Mountain Dog's growth rate is fastest in the first 6 months of life. For larger breeds like the Bernese Mountain Dog, it's important not to over-feed during the growth phase, as rapid weight gain can put stress on developing joints and bones.
Factors that influence your Bernese Mountain Dog's adult size include genetics (parent size), nutrition quality, spay/neuter timing, and overall health. Males typically weigh 10–20% more than females.
Frequently Asked Questions
How big will my Bernese Mountain Dog puppy get?
A full-grown Bernese Mountain Dog typically weighs between 32–52 kg (71–115 lbs). Males tend to be on the larger end of the range while females are usually smaller.
When do Bernese Mountain Dogs stop growing?
Large breeds take longer to mature, typically reaching their adult weight around 14–18 months. They grow rapidly between 3–6 months. Individual dogs may reach their full size slightly earlier or later depending on genetics, diet, and overall health.
How much should a Bernese Mountain Dog puppy weigh at 12 weeks?
At 12 weeks, a Bernese Mountain Dog puppy typically weighs around 12.6–16.8 kg (28–37 lbs), which is roughly 30–40% of their adult weight.
How can I tell if my Bernese Mountain Dog puppy is the right weight?
Compare your puppy's weight to the growth chart above. A healthy Bernese Mountain Dog puppy should follow a steady growth curve. If your puppy's weight deviates significantly from the expected range, consult your veterinarian.
Learn More About Bernese Mountain Dogs
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