Great Pyrenees puppy weight calculator

Great Pyrenees adults usually weigh about 85 to 100 lb and are close to full size by about 18 to 24 months. A typical 12-week-old Great Pyrenees weighs about 17 to 20 lb.

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Adult weight: about 85 to 100 lb (giant)

8 to 52 weeks

In pounds

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Great Pyrenees adults usually weigh

about 85 to 100 lb

At 12 weeks, Great Pyrenees puppies are typically about 20% of their adult weight, with most of their growing still ahead.

Typical puppy growth curveTypical weight from 8 weeks to 104 weeks, rising to 85 to 100 pounds as an adult. Your puppy: 19 pounds at 12 weeks.0501001508162639526578104Age in weeksWeight (lb)
Typical range Your puppy today

Estimates vary, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

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Typical Great Pyrenees weight by age

AgeTypical weight
8 weeks10 to 12 lb
12 weeks17 to 20 lb
16 weeks24 to 28 lb
5 months33 to 39 lb
6 months40 to 47 lb
9 months56 to 66 lb
12 months68 to 80 lb
18 months81 to 95 lb

Puppies sit above and below these figures, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

Great Pyrenees questions

How big will my Great Pyrenees get?

Most Great Pyrenees adults weigh about 85 to 100 lb. Individual dogs vary, and the parents' size is often a helpful guide.

When do Great Pyrenees puppies stop growing?

Great Pyrenees puppies are usually close to adult weight by about 18 to 24 months. At 6 months a typical Great Pyrenees weighs about 40 to 47 lb, around 47% of adult weight.

How much does a 12-week-old Great Pyrenees weigh?

Typically about 17 to 20 lb, and by 16 weeks about 24 to 28 lb. Puppies sit above and below these figures, and every puppy grows at their own pace. If you have questions about your puppy's growth, ask your vet.

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