Use this Norfolk Terrier puppy weight calculator to predict how big your puppy will get. Norfolk Terriers are a terrier breed that typically reach full size by around 12-15 months.
Enter your puppy's current weight and age to predict their adult size
Estimates based on breed growth curves. Individual dogs vary with genetics and nutrition — check with your vet for a personalized read.

Indoor/outdoor enclosure — a good fit for toy and small breeds.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
| Age | Weight |
|---|---|
| Birth | 0.2 to 0.4 lbs |
| 2 Months | 3 to 4 lbs |
| 3 Months | 4 to 5 lbs |
| 4 Months | 5 to 6 lbs |
| 5 Months | 6 to 7 lbs |
| 6 Months | 7 to 8 lbs |
| 7 Months | 8 to 10 lbs |
| 9 Months | 9 to 11 lbs |
| 10 Months | 10 to 12 lbs |
| 1 Year | 11 to 12 lbs |
| 1.5 Years | 11 to 12 lbs |
| 2 Years | 11 to 12 lbs |
Estimated from typical toy-breed growth curves and the Norfolk Terrier's adult weight range. Individual puppies vary — use the calculator above for a prediction based on your puppy's actual current weight.
New breed data, growth tips, and puppy-parenting insights, plus our free printable puppy growth tracker.
Prone to hip dysplasia and mitral valve disease (a heart condition); patellar luxation, common in small breeds, can also occur.
A quality diet in measured portions; standard weight management applies.
The wiry coat needs regular brushing and periodic hand-stripping.
Genuinely game despite the small size — consistent training and real daily activity keep this breed content.
A small, drop-eared English terrier bred to hunt vermin, closely related to the prick-eared Norwich Terrier.
Loyal and cute but genuinely game, Norfolk Terriers happily curl up in a lap after a day of real terrier activity.