Great Pyrenees Full Grown: Size & Weight
A full-grown Great Pyrenees weighs about 85–120 lb and stands roughly 25–32 in tall at the shoulder.
Have a Great Pyrenees puppy? Estimate its adult size
Built on the giant growth curve, clamped to the breed's range.
Great Pyrenees growth chart
How a giant-size dog like the Great Pyrenees fills out over its first months. Switch between percent of adult weight and pounds, and enter a weigh-in above to plot your puppy.
- Great Pyrenees
- Your puppy
Median curves computed from ~89,000 healthy dogs aged 2–24 months in the open Salt et al. 2017 dataset (PLOS ONE, CC BY 4.0), grouped into PuppySize's five size classes.
- Great Pyrenees · 85–120 lb
- Your puppy
Each shaded band shows the typical weight range at every age, with the line marking the middle of that range.
| Age | % of adult weight | Estimated weight |
|---|---|---|
| 2 months | 14.5% | 12–17 lb |
| 3 months | 26.5% | 23–32 lb |
| 4 months | 39.1% | 33–47 lb |
| 5 months | 50.5% | 43–61 lb |
| 6 months | 61.3% | 52–74 lb |
| 7 months | 71.7% | 61–86 lb |
| 8 months | 79.4% | 67–95 lb |
| 9 months | 84.6% | 72–102 lb |
| 10 months | 87.9% | 75–105 lb |
| 11 months | 91.2% | 78–109 lb |
| 12 months | 93.9% | 80–113 lb |
| 13 months | 95.7% | 81–115 lb |
| 14 months | 97.2% | 83–117 lb |
| 15 months | 97.2% | 83–117 lb |
| 16 months | 99.4% | 84–119 lb |
| 17 months | 99.4% | 84–119 lb |
| 18 months | 100% | 85–120 lb |
How confident is this estimate? Based on an official breed standard or cross-checked veterinary/registry sources.
About this breed's data: Height from AKC standard (dogs 27-32 in, bitches 25-29 in). The standard gives reference weights: ~100 lb for a 27-in dog, ~85 lb for a 25-in bitch; larger dogs weigh more (commonly to ~120+ lb). Giant breed: matures late.
Sources: AKC Official Standard of the Great Pyrenees (PDF), Salt et al. 2017 (PLOS ONE) growth data.
Great Pyrenees questions
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