Personalize this chart
Enter age and weight to see your dog's unique trajectory.
Puppy Predictor
Norwich Terrier Size Calculator
How big will my Norwich Terrier get? Predict adult weight and track your puppy's development.
Breed Overview
About the Norwich Terrier
Alert, curious, and affectionate
Group
Terrier
Size Category
Small
Lifespan
12-15 years
Full Maturity
12 months
Temperament Traits
AlertCuriousAffectionateSensitiveEnergeticHardy
Growth & Height Benchmarks
Expected Adult Weight
11-12lbs
Typical Male
11-12 lbs
10" tall
Typical Female
11-12 lbs
10" tall
How the Norwich Terrier Calculator Works
1
High-Sensitivity Dynamic Modeling
We use a proprietary High-Sensitivity Dynamic Model calibrated specifically for Norwich Terrier 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 Norwich Terrier typically reaches its full skeletal structure around 12 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 Norwich Terrier breed standard (11–12 lbs). While estimates can begin at 6 weeks, data collected after the 12-week mark provides the highest statistical confidence.
Found this tool useful?
Share PetCareCalc with other pet owners or save the link to track your puppy's progress as they grow.
Embed this tool
Add our professional calculator to your own website
Attribution required
🐾