How Big Will My West Highland White Terrier Get?
West Highland White Terriers are a small breed that typically weigh 6–10 kg (13–22 lbs) at full size. Small breeds typically reach their adult weight around 10–12 months of age.
West Highland White Terrier Size at a Glance
Adult Weight
6–10 kg
13–22 lbs
Adult Height
25–28 cm
10–11 in
Size Category
small
Fully Grown By
10–12 mo
West Highland White Terrier Growth Chart
West Highland White Terrier Weight by Age
Predict Your West Highland White Terrier Puppy's Adult Weight
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Open Weight CalculatorWest Highland White Terrier Growth & Development
Small breeds typically reach their adult weight around 10–12 months of age. They grow quickly in the first few months and then level off.
A West Highland White Terrier's growth rate is fastest in the first 6 months of life. During this period, proper nutrition and regular vet checkups ensure your puppy stays on a healthy growth trajectory.
Factors that influence your West Highland White Terrier's adult size include genetics (parent size), nutrition quality, spay/neuter timing, and overall health. Males typically weigh 10–20% more than females.
Frequently Asked Questions
How big will my West Highland White Terrier puppy get?
A full-grown West Highland White Terrier typically weighs between 6–10 kg (13–22 lbs). Males tend to be on the larger end of the range while females are usually smaller.
When do West Highland White Terriers stop growing?
Small breeds typically reach their adult weight around 10–12 months of age. They grow quickly in the first few months and then level off. Individual dogs may reach their full size slightly earlier or later depending on genetics, diet, and overall health.
How much should a West Highland White Terrier puppy weigh at 12 weeks?
At 12 weeks, a West Highland White Terrier puppy typically weighs around 2.4–3.2 kg (5–7 lbs), which is roughly 30–40% of their adult weight.
How can I tell if my West Highland White Terrier puppy is the right weight?
Compare your puppy's weight to the growth chart above. A healthy West Highland White Terrier puppy should follow a steady growth curve. If your puppy's weight deviates significantly from the expected range, consult your veterinarian.
Learn More About West Highland White Terriers
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