Use this Lakeland Terrier puppy weight calculator to predict how big your puppy will get. Lakeland 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.
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| Age | Weight |
|---|---|
| Birth | 0.3 to 1 lbs |
| 2 Months | 4 to 5 lbs |
| 3 Months | 6 to 7 lbs |
| 4 Months | 8 to 9 lbs |
| 5 Months | 9 to 10 lbs |
| 6 Months | 11 to 12 lbs |
| 7 Months | 13 to 14 lbs |
| 9 Months | 14 to 15 lbs |
| 10 Months | 16 to 17 lbs |
| 1 Year | 17 lbs |
| 1.5 Years | 17 lbs |
| 2 Years | 17 lbs |
Estimated from typical toy-breed growth curves and the Lakeland 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 primary lens luxation, a genetic eye condition — a DNA test can screen for carriers; otherwise generally a healthy breed.
A quality diet in measured portions; standard weight management applies.
The wiry coat needs regular brushing and periodic hand-stripping or clipping.
Confident and independent — consistent, engaging training works better than repetition, and this breed retains real terrier prey drive.
A small, sturdy English terrier from the Lake District, bred to protect sheep flocks from foxes.
Bold and confident despite its small size, the Lakeland Terrier carries genuine terrier grit and independence.