Use this Bernese Mountain Dog puppy weight calculator to predict how big your puppy will get. Bernese Mountain Dogs are a large working breed that typically finishes growing 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.
Slows fast eaters, can aid digestion, holds 4 cups dry or wet food — sized for giant breeds.
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| Age | Weight |
|---|---|
| Birth | 1 to 4 lbs |
| 2 Months | 6 to 12 lbs |
| 3 Months | 11 to 23 lbs |
| 4 Months | 18 to 35 lbs |
| 5 Months | 25 to 46 lbs |
| 6 Months | 32 to 58 lbs |
| 7 Months | 39 to 69 lbs |
| 9 Months | 46 to 81 lbs |
| 10 Months | 53 to 92 lbs |
| 1 Year | 60 to 104 lbs |
| 1.5 Years | 67 to 115 lbs |
| 2 Years | 70 to 115 lbs |
Estimated from typical giant-breed growth curves and the Bernese Mountain Dog'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.
Bernese Mountain Dogs have a notably short lifespan for their size — often 7-9 years — driven largely by an unusually high cancer rate; one Swiss study found cancer accounted for over half of all deaths in the breed. They're also prone to hip and elbow dysplasia given their size, and to bloat.
A large-breed puppy formula through the growth period, and portion control as adults — Berners tend to hold weight easily, which adds strain to joints already at risk from size.
The long, moderately thick double coat needs brushing once or twice a week, more during heavy seasonal shedding.
Sensitive and eager to please, Berners respond best to positive, reward-based training rather than firm correction. Given their cancer risk, many owners prioritize regular vet checkups as much as day-to-day training.
The Bernese Mountain Dog was developed as a farm dog in the canton of Bern, Switzerland, used to guard property, pull carts, and accompany cattle to nearby pasture — one of four Sennenhund ("alpine dog") breeds with roots tracing back to Roman mastiffs. The breed came to the US in 1926 and the AKC recognized it in 1937.
The standard calls for a temperament that's "self-confident, alert and good-natured, never sharp or shy" — Berners are famously gentle and eager to please, sensitive to correction, and devoted to family, though they may stay aloof with strangers rather than immediately friendly.
