How big does a Bernese Mountain Dog get?

A full-grown Bernese Mountain Dog typically stands 58–70 cm (22.8–27.6 inches) tall at the shoulder and weighs 32–55 kg (70.5–121.3 lbs). Bernese Mountain Dog is considered a giant breed and may take up to 18–24 months to reach full size.

What is the lifespan of a Bernese Mountain Dog?

The average lifespan of a Bernese Mountain Dog is 6–8 years. Giant breeds typically have shorter lifespans than smaller breeds. Maintaining a healthy weight is one of the most important factors in extending your dog's lifespan — overweight dogs can lose 1–2 years of life expectancy.

What are the personality traits of a Bernese Mountain Dog?

Bernese Mountain Dog are known for being gentle, calm, loyal, affectionate. They are generally good with children and make excellent family dogs. They are highly trainable and eager to please. They need plenty of space and exercise, making them better suited for homes with yards.

Is a Bernese Mountain Dog a good choice for apartments and families?

A Bernese Mountain Dog is a giant breed that typically needs more space and exercise, so they may not be ideal for small apartments. They are generally good with kids and make great family companions. Be prepared for significant shedding — regular brushing 2–3 times per week is recommended. They are easy to train, making them great for first-time dog owners.

What are common health issues for giant breed dogs like the Bernese Mountain Dog?

Giant breeds like the Bernese Mountain Dog face increased risks of bloat (GDV), hip/elbow dysplasia, heart conditions, and bone cancer. Their large size puts extra stress on joints, making weight management critical. Keeping your dog at an ideal weight is the single most effective way to reduce the risk of many of these conditions. Use our BCS assessment tool above to check your dog's condition.

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Bernese Mountain Dog Weight & Calorie Guide

Q: How many calories does a Bernese Mountain Dog need per day?

A typical adult Bernese Mountain Dog weighing about 44 kg needs approximately 1897–2371 kcal per day, depending on activity level and neuter status. Puppies and very active dogs need more, while seniors and neutered dogs need less. Use our breed-specific calculator for an exact number.

Giant Breed

Quick Answer

A healthy adult Bernese Mountain Dog weighs 32–55 kg (70.5–121.3 lbs), according to the AKC breed standard. Puppies reach 50% of adult weight by 8–12 months and full weight by 18–24 months.

Source: AKC breed standard, WSAVA nutrition guidelines

Quick Facts

Ideal Weight

32–55 kg

(70.5–121.3 lbs)

Size Category

giant

Breed Type

Daily Calories

~1897–2371 kcal

Adult, neutered

Free Tools

BCS Assessment Calorie Calculator

Ideal Weight Range

32 kgto55 kg

70.5 lbsto121.3 lbs

UnderweightIdealOverweightObese

Data:AKC breed standard·WSAVA guidelines

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Puppy Weight Predictor

For puppies under 12 months. Enter your puppy's current weight and age to predict adult weight.

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How the puppy weight predictor works

This predictor uses growth milestone data from Salt et al. (2017), published in Veterinary Record, which tracked the weight development of dogs across five size categories from birth to adulthood. By comparing your puppy's current weight against the expected growth percentage for their age and size category, we estimate their adult weight range.

Factors that affect adult weight

Genetics play the largest role, but nutrition, neutering status, and overall health also influence growth rate. Puppies fed excessive calories during rapid growth phases may exceed their genetic weight potential, while underfed puppies may not reach it. Large and giant breeds grow more slowly than toy and small breeds, reaching full size at 18–24 months rather than 10–12 months.

Data source: Salt et al. (2017) "Growth patterns of commercial kennel dogs" Veterinary Record • AKC breed standards

Bernese Mountain Dog Health & Weight Management

Bernese Mountain Dogs face a heartbreaking health reality — their average lifespan is only 6–8 years, largely due to high cancer rates (histiocytic sarcoma). While diet cannot prevent cancer, maintaining lean body weight reduces stress on joints already prone to hip and elbow dysplasia. Obesity shortens an already-brief life even further.

Exercise: 30–60 minutes of moderate daily exercise — walks, light hiking, or carting (they love pulling). Avoid high-impact exercise during growth (under 2 years). Swimming is excellent low-impact conditioning. In hot weather, exercise only during cool morning/evening hours due to their thick coat.

Feeding tips: Feed a large-breed formula with controlled calories during puppyhood to slow growth rate — rapid growth increases dysplasia risk. Adults need 3–5 cups of quality kibble daily, split into 2 meals to reduce bloat risk. Avoid high-fat treats. Bernese dogs are gentle beggars — don't give in.

Keeping your Bernese at an ideal 70–121 lbs (32–55 kg) supports joint health and may help maximize their precious time with you. Use PawScale's calorie calculator for Bernese Mountain Dogs to find exact daily needs, verify condition with our BCS tool, and plan meals using the feeding guide.

Data source: AKC breed standard • Last updated: 2026-08-12

Is your Bernese Mountain Dog at a healthy weight?

59% of dogs are overweight — can you tell? Take our free 2-minute Body Condition Score assessment.

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Bernese Mountain Dog Calorie Calculator

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Frequently Asked Questions

How much should a Bernese Mountain Dog weigh?

The ideal weight for a Bernese Mountain Dog is 32–55 kg (70.5–121.3 lbs). Giant breeds have slower metabolisms, so weight management is especially important. Use our calorie calculator above to get personalized feeding recommendations.

How many calories does a Bernese Mountain Dog need per day?

A typical adult Bernese Mountain Dog weighing 44 kg needs approximately 1897–2371 kcal per day, depending on activity level and whether they are neutered. Use our breed-specific calculator above for an exact number based on your dog's details.

Is my Bernese Mountain Dog overweight?

59% of dogs are overweight, and most owners cannot tell just by looking. Check your Bernese Mountain Dog's Body Condition Score (BCS) — if you can't easily feel their ribs or they have no visible waist from above, they may be overweight. Take our free 2-minute BCS assessment above to find out.

When does a Bernese Mountain Dog reach full adult weight?

Bernese Mountain Dog puppies reach 50% of their adult weight by 8–12 months and typically reach full adult weight by 18–24 months, according to AKC growth guidelines. Small breeds mature faster than large breeds.

What size crate does a Bernese Mountain Dog need?

A Bernese Mountain Dog typically needs a 48-inch crate based on breed size. Use PawScale's free crate size calculator for a personalized recommendation.

References & data sources

1. AKC Official Breed Standard — Bernese Mountain Dog. akc.org

2. Salt C, et al. “Estimating the expected growth of dogs.” Vet Record, 2017;180(15):376.

3. National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, 2006.

4. Laflamme DP. “Development and validation of a body condition score system for dogs.” Canine Practice, 1997;22(4):10–15.

5. WSAVA Global Nutrition Guidelines; Association for Pet Obesity Prevention (APOP) 9-point BCS scale.

Last reviewed: September 2026

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