Shetland Sheepdog Size & Weight Chart: How Big Do They Get?
Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.
Quick answer: A full-grown Shetland Sheepdog typically weighs 14-27 lb (6.4-12 kg) and stands 13-16 in (33-41 cm) tall at the shoulder. Most reach their adult size by around 10-12 months.
Photo: Nick Cowie (nickobec) · CC BY-SA 2.0 · via Wikimedia Commons
The Shetland Sheepdog, or Sheltie, is a small herding dog from the Shetland Islands that looks like a miniature Rough Collie. Shelties are bright, sensitive, and eager to please, with a dense double coat.
| Size category | Small |
|---|---|
| Typical adult weight | 14-27 lb (6.4-12 kg) |
| Height at the shoulder | 13-16 in (33-41 cm) |
| Full grown by | 10-12 months |
| Life expectancy | 12-14 years |
Shetland Sheepdog weight chart by age (lb & kg)
Estimated weights for an average Shetland Sheepdog puppy, based on the typical growth curve for a small breed. Males usually track toward the top of each figure, females toward the bottom.
| Age | Weight (lb) | Weight (kg) |
|---|---|---|
| 2 months | ~7 lb | ~3.2 kg |
| 3 months | ~11 lb | ~5 kg |
| 4 months | ~14 lb | ~6.4 kg |
| 5 months | ~17 lb | ~7.7 kg |
| 6 months | ~19 lb | ~8.6 kg |
| 10-12 months (full grown) | 14-27 lb | 6.4-12 kg |
When does a Shetland Sheepdog stop growing?
As a small-to-medium breed, Shelties typically reach adult weight by around 10-12 months. Smaller breeds like the Shetland Sheepdog reach full height and fill out fairly close together, so growth tends to look "done" all at once.
Use the Puppy Weight Predictor below — it's pre-loaded with the Shetland Sheepdog's growth curve, so just enter your puppy's current weight and age.
Predict your Shetland Sheepdog's adult weight
Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.
Open the Puppy Weight PredictorHow much does it cost to feed a Shetland Sheepdog?
A typical adult Shetland Sheepdog (21 lb, average activity) needs roughly 596 kcal/day — about 0.4 lb (1.4 cups) of dry kibble per day, which works out to around $21/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $239/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Shetland Sheepdog feeding chart for puppy amounts by month.
Estimate Shetland Sheepdog food costs
Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.
Open the Dog Food Cost CalculatorBrowse dog food sized for a Shetland Sheepdog
Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.
Browse dog food on Amazon(affiliate link)How old is my Shetland Sheepdog in human years?
The old "×7" rule doesn't hold up — small breeds like the Shetland Sheepdog age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.
Convert your Shetland Sheepdog's age
Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.
Open the Shetland Sheepdog Age CalculatorCommon health considerations
- Collie eye anomaly and progressive retinal atrophy are screened for in breeding lines.
- The MDR1 gene mutation, common in herding breeds, makes some Shelties dangerously sensitive to certain drugs — a simple DNA test tells you.
- Hypothyroidism, dermatomyositis, and gallbladder mucoceles are also documented.
This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.
Is pet insurance worth it for a Shetland Sheepdog?
See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.
Shetland Sheepdog insurance costSimilar breeds
Based on energy level, living-space fit, and care needs, these breeds are closest to the Shetland Sheepdog:
Take our breed match quiz
Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Shetland Sheepdog — actually fit best.
Take the Breed Match QuizFrequently asked questions
How much does a full-grown Shetland Sheepdog weigh?
A full-grown Shetland Sheepdog typically weighs 14-27 lb (6.4-12 kg), making it a small breed. Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.
How tall is a full-grown Shetland Sheepdog?
A full-grown Shetland Sheepdog stands 13-16 in (33-41 cm) tall, measured at the shoulder (withers).
When does a Shetland Sheepdog stop growing?
As a small-to-medium breed, Shelties typically reach adult weight by around 10-12 months. Height typically levels off a bit before this; smaller breeds like this one fill out relatively quickly once they reach height.
Is a Shetland Sheepdog a good first dog?
Generally yes. The Shetland Sheepdog is forgiving enough for most first-time owners, as long as you're realistic about its exercise and care needs going in rather than assuming any dog is "easy."
How much exercise does a Shetland Sheepdog need?
Above average — plan on 45-60 minutes of real activity most days. A short walk around the block won't be enough on its own for a Shetland Sheepdog.
Is a Shetland Sheepdog good with kids?
Generally good with kids, especially with basic training and normal socialization. As with any breed, supervise younger children and teach them how to approach and handle the dog.
How much grooming does a Shetland Sheepdog need?
Fairly involved. Regular brushing (several times a week) and periodic trims or professional grooming will keep a Shetland Sheepdog looking and feeling its best.