PetMeasure

Estrela Mountain Dog Weight, Size & Lifespan

Adult Estrela Mountain Dog
Photo — Traceywashere at English Wikipedia, CC BY-SA 3.0 · Wikimedia Commons

How big does an Estrela Mountain Dog get?

A full-grown Estrela Mountain Dog is a giant dog, weighing about 77–132 lb as an adult.

Adult weight
77–132 lb
Also in kilograms
34.9–59.9 kg
Size class
Giant
Life expectancy
10–14 years

Estrela Mountain Dog Size

As a giant breed, an Estrela Mountain Dog keeps growing for longer than a small dog — larger breeds reach their adult weight months later (Hawthorne et al., 2004). Expect steady growth well past the first year.

Estrela Mountain Dog Lifespan

How long do Estrela Mountain Dogs live?

The American Kennel Club publishes a life expectancy of 10–14 years for the Estrela Mountain Dog, on its breed page. That is a figure for the breed, not a prediction for one dog — an individual Estrela Mountain Dog can fall on either side of it.

Estrela Mountain Dog Growth Chart

What an Estrela Mountain Dog puppy weighs week by week, from the growth curve FEDIAF publishes (Nutritional Guidelines 2025, Table VII-8a) for a dog whose expected adult weight is 47.4 kg. It is an average, not a target, and it is only valid from 8 weeks to one year — FEDIAF notes that growth patterns show a certain individual variability. Read a row as the middle of a spread.

AgeWeight% of adult weight
8 weeks22 lb (9.8 kg)21%
10 weeks30 lb (13.7 kg)29%
12 weeks37 lb (16.9 kg)36%
14 weeks43 lb (19.6 kg)41%
16 weeks48 lb (21.9 kg)46%
18 weeks53 lb (24.0 kg)51%
20 weeks57 lb (25.9 kg)55%
24 weeks64 lb (29.0 kg)61%
28 weeks70 lb (31.7 kg)67%
32 weeks75 lb (34.1 kg)72%
36 weeks80 lb (36.2 kg)76%
40 weeks84 lb (38.0 kg)80%
44 weeks87 lb (39.7 kg)84%
48 weeks91 lb (41.2 kg)87%
52 weeks94 lb (42.6 kg)90%

Common questions

How much does a full-grown Estrela Mountain Dog weigh?

An Estrela Mountain Dog weighs 77–132 lb (35–60 kg) as an adult. That range is the weight the American Kennel Club publishes in the breed's official standard, re-checked here every week — it is a typical weight across many adult dogs, not a target for one dog.

Is an Estrela Mountain Dog a giant dog?

Yes — an Estrela Mountain Dog counts as a giant breed, going by the middle of its adult weight range (35–60 kg). The cut-offs between small, medium, large and giant are a common veterinary convention rather than one official standard, so a breed near a boundary can be described either way elsewhere.

When does an Estrela Mountain Dog stop growing?

Later than a small dog. Hawthorne et al. (2004) measured that larger breeds keep gaining weight for longer, so an Estrela Mountain Dog is likely to fill out well past its first birthday. We don't publish a month-by-month figure, because no source gives one breed by breed — and an invented number would be worse than none.

Why is there a range instead of one weight?

Because the source publishes a range. Within any breed, weight varies with sex, genetics, build and health, and a mixed-breed dog usually falls between its parents' breeds. Narrowing 77–132 lb down to a single number would look more precise while being less true.

How long do Estrela Mountain Dogs live?

The American Kennel Club publishes a life expectancy of 10–14 years for the breed, re-checked here every week. That is a figure for the breed, not a prediction for one dog: an individual Estrela Mountain Dog can fall on either side of it, and how a dog is fed, exercised and cared for moves the odds.

Breeds of a similar size

Every dog calculator

Weight varies within the Estrela Mountain Dog by sex, genetics and health, and mixed-breed dogs fall between their parents. This is a typical range, not a guarantee.

Verified on . Based on Breed weights — official AKC breed standards (American Kennel Club, breed pages, accessed 2026-07-29), Breed life expectancy — AKC breed pages (American Kennel Club, breed pages, accessed 2026-08-10), Body-Weight Changes during Growth in Puppies of Different Breeds (Hawthorne et al., Journal of Nutrition, 2004, vol. 134, p. 2027S) and Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs (FEDIAF (European Pet Food Industry Federation), 2025 edition (growth curves Table VII-8a, growth energy VII-8b and VII-10)). See the method.