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Puppy Predictor

Great Pyrenees Size Calculator

How big will my Great Pyrenees get? Predict adult weight and track your puppy's development.

Breed Overview

About the Great Pyrenees

Patient, calm, and smart

Group

Working

Size Category

Giant

Lifespan

10-12 years

Full Maturity

24 months

Temperament Traits

Strong WilledPatientFearlessGentleConfidentAffectionate

Growth & Height Benchmarks

Expected Adult Weight

85-160lbs

Typical Male

85-160 lbs

27-32" tall

Typical Female

85-160 lbs

25-29" tall

How the Great Pyrenees Calculator Works

1

High-Sensitivity Dynamic Modeling

We use a proprietary High-Sensitivity Dynamic Model calibrated specifically for Great Pyrenees development. This accounts for the biological reality that growth velocity decelerates sharply as a puppy matures, ensuring pinpoint accuracy for both 8-week-old puppies and older teenagers.

2

Maturity Window Calibration

A Great Pyrenees typically reaches its full skeletal structure around 24 months. Our algorithm applies a specific maturity multiplier that adjusts the projection as your puppy approaches this target window.

3

Standard Deviation Check

Every projection is cross-referenced against the Great Pyrenees breed standard (85–160 lbs). While estimates can begin at 6 weeks, data collected after the 12-week mark provides the highest statistical confidence.

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