PuppyGrowthAustralian Shepherd growth chart (month by month)
Typical weight ranges for a healthy Australian Shepherd puppy, based on the breed's adult weight and a medium-breed growth curve.
| Age | Male | Female |
|---|---|---|
| 2 months | 9.0–12 lb 4.1–5.3 kg | 7.2–9.9 lb 3.3–4.5 kg |
| 3 months | 15–20 lb 6.8–8.8 kg | 12–16 lb 5.4–7.5 kg |
| 4 months | 21–27 lb 9.5–12 kg | 17–23 lb 7.6–10 kg |
| 5 months | 26–34 lb 12–16 kg | 21–29 lb 9.6–13 kg |
| 6 months | 31–40 lb 14–18 kg | 25–34 lb 11–15 kg |
| 8 months | 38–49 lb 17–22 kg | 30–42 lb 14–19 kg |
| 10 months | 44–57 lb 20–26 kg | 35–48 lb 16–22 kg |
| 12 months | 48–62 lb 22–28 kg | 38–52 lb 17–24 kg |
How big does a Australian Shepherd get?
An adult male Australian Shepherd usually weighs 50–65 lb (23–29 kg) and an adult female 40–55 lb (18–25 kg). Aussies vary a lot in size between lines. Most reach adult height by 12 months and fill out by about 16 months.
When is a Australian Shepherd fully grown?
As a medium breed, a Australian Shepherd typically reaches its adult weight at about 14 months. Height usually finishes first; chest and muscle keep filling out for a while after.
Use the calculator above with your puppy's current weight to see whether it is tracking low, high or right on the curve.
Frequently asked questions
How much should a 6 month old Australian Shepherd weigh?
Most male Australian Shepherd puppies weigh about 31–40 lb at 6 months, and females about 25–34 lb.
How much should an 8 week old Australian Shepherd weigh?
Roughly 9.0–12 lb for males and 7.2–9.9 lb for females, though puppies vary a lot at this age.
When does a Australian Shepherd stop growing?
Most Australian Shepherds reach their adult weight at around 14 months.
Is my Australian Shepherd puppy overweight?
Check body condition: you should feel the ribs easily without pressing hard and see a waist from above. If in doubt, ask your vet.
More free pet calculators
PuppyGrowthCalc gives general estimates for healthy pets. Every animal is different. Ask your vet about your pet's ideal weight, diet and health.