Shetland Sheepdog Growth Chart
Shetland Sheepdogs resemble small collies with a light, agile frame. They typically finish growing by 12 months. Because sex ranges overlap, track weekly changes and rib coverage alongside the scale.
Shetland Sheepdog weight by age
Typical weight ranges based on Shetland Sheepdog adult size and standard growth curves. Individual puppies may vary.
| Age | Expected weight (low–high) |
|---|---|
| 8 weeks | 2.5–6.1 lb |
| 12 weeks | 3.8–8.1 lb |
| 16 weeks | 5–9.7 lb |
| 20 weeks | 6.1–11.3 lb |
| 24 weeks | 7.1–12.8 lb |
| 32 weeks | 9.1–15.6 lb |
| 40 weeks | 10.9–18.2 lb |
| 1 year | 12.7–20 lb |
Calculate Your Shetland Sheepdog Puppy's Adult Weight
Enter your Shetland Sheepdog puppy's age and current weight for an estimated adult weight range.
Enter your puppy's details to see the estimate
Shetland Sheepdog FAQ
How much will my Shetland Sheepdog puppy weigh as an adult?
Enter your puppy's age and current weight in this calculator. Typical adult Shetland Sheepdog ranges depend on sex, genetics, and whether the puppy is on a steady growth curve.
At what age is a Shetland Sheepdog fully grown?
Most Shetland Sheepdog dogs reach most adult weight between 10 and 18 months depending on size. Larger individuals may keep filling out slightly longer while bone and muscle finish developing.
How accurate is a Shetland Sheepdog puppy weight chart?
Charts reflect typical trends, not guarantees. Individual puppies may finish above or below the estimated range based on parents, nutrition, and overall health.