Australian Shepherd Growth Chart

Australian Shepherd Growth Chart

A healthy Australian Shepherd puppy will grow rapidly during its first year of life, and its growth slows down after a year of age. The following chart shows the average weight and height for each month that your puppy is in his first year.


You may be wondering how old your dog is. The average age of an Australian Shepherd is 3 years, but this number can vary greatly depending on the type of food you feed your dog and its lifestyle.

  • Average Weight: 30 lbs
  • Average Height: 18 inches


  • Weight: Australian Shepherds are a medium-sized breed and weigh between 30 and 50 pounds.
  • Life expectancy: Australian Shepherds have an average life expectancy of 10 to 14 years.


Australian Shepherds are a medium-sized dog. They are not a large dog, but they are also not considered a small breed. The average size for an Australian Shepherd is about 19-23 inches in height and 30-50 pounds in weight.

The Australian Shepherd growth chart shows that this breed will reach its full height at around 18 months old with males reaching maturity faster than females.

4 Weeks

At four weeks old, your dog will weigh 7 lbs. and be 10 in. at the shoulders. At this age, it’s important that he or she is being fed a high-quality diet to ensure proper growth and development.

7 lbs. (average)

Australian Shepherds are medium-sized dogs, with a muscular and athletic build. They have a very intelligent personality, are loyal to their families, energetic and protective. Australian Shepherds are affectionate animals that love to be around people they know well. They are social, active dogs that need constant stimulation to avoid boredom.

10 in. at the shoulders (average)

The average height of an adult Australian shepherd is 10 inches at the shoulders (for reference, you are probably about a foot tall). The average weight of an adult male Australian shepherd is around 55 pounds and 45 pounds for females, though these figures can vary greatly depending on how much food they’re given and whether or not they’ve been neutered.

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8 Weeks

At 8 weeks, your Australian Shepherd puppy is:

  • The average age of an Australian Shepherd puppy.
  • Able to walk, stand and eat solid food. They can bark but will do so more frequently as they get older.
  • Recognizing their owner’s voice and scent.

12 lbs. (average)

  • A 4-week-old puppy weighs about 1 lb.
  • A 7-week-old puppy weighs about 2 lbs.
  • An 8-week-old puppy weighs about 3 lbs.
  • The average weight of a 3 month old Australian Shepherd is 12 lbs.

12 in. at the shoulders (average)

  • Average height at 12 weeks: 12 in.
  • Average weight at 12 weeks: 3 lbs.
  • Average height at 12 months: 18 in.
  • Average weight at 12 months: 30 lbs.

3 Months

The average weight of a 3-month old puppy is 20 pounds and the average height at the shoulder is 15 inches. At 3 months, your puppy should be growing fast and you may notice that he grows longer than he does wider. This can make it difficult to determine his size compared to other puppies of the same age. However, if your puppy appears smaller than breed standards or his growth is slower than expected, consult a veterinarian for advice on how best to help him grow into his full potential.

20 lbs. (average)

  • Weight: 20 lbs. (average)
  • Age: 6 months
  • Size: Large dog
  • Gender: Male or female
  • Height: 12 to 16 inches at the shoulder, with males being slightly larger than females.

15 in. at the shoulders (average)

The average height of an Australian Shepherd at 6 months is 15 in. At 9 months, the average height is 17 in. At 12 months, the average height is 19 in., and at 18 months, it’s 21 in. Finally, at 24 months old, your Aussie should be 23-25 inches tall! This means that if you have a puppy who weighs 50 pounds now (and he or she will!), he or she will grow to weigh around 80 pounds when fully grown!

6 Months

At 6 months, you’ll be able to find your Aussie puppy jumping up on countertops and beds. Now is the time to start training them not to do this. They may have grown into their paws now, but they’re still puppies in terms of how long it takes for them to realize that jumping up on furniture isn’t okay.

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If you do nothing else with your Aussie at this point, teach him or her not to jump up on counters or tables by putting something that smells like you (a blanket or towel) under there first and letting them know it’s off limits. If they try anyway, tell them “no” firmly and turn away so they don’t feel rewarded for doing so.

30 lbs. (average)

At 30 lbs. (average), your Aussie is about the same size as a 6-month-old puppy, which is to say pretty darn small. As a rule of thumb, it’s best to not try and estimate your dog’s weight by hand—a good way to get an estimation is by measuring the length of your dog’s back from its shoulders to the base of its tail and then multiplying that number by two (since you’re dealing with two legs).

We recommend letting your vet do this for you at least once during every Aussie’s life so they can get an accurate reading on their growth pattern and make sure everything looks normal. If they’re not happy with what they see there, they’ll let you know when it might be time to talk about putting your dog under more intense monitoring or even taking them off food restrictions temporarily so there are no nutritional deficiencies interfering with those early years’ proper development.

18 in. at the shoulders (average)

This is the average height of an Australian Shepherd at 9 months. At this point, the dog will be fully grown and ready to start learning new tricks.

9 Months

A healthy Australian Shepherd puppy can weigh anywhere from 20 to 25 pounds at 9 months of age, but it’s not uncommon for them to weigh as much as 30 pounds.

A full grown Australian Shepherd weighs around 55-65 lbs, with females being slightly smaller than males.

40 lbs. (average)

40 lbs. (average)

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If you’re looking for a dog that doesn’t require long walks on a daily basis, the Australian Shepherd could be the breed for you. This breed is also known to grow slowly and mature later than most other breeds, so they won’t take up too much of your time or energy during their puppy years.

21 in. at the shoulders (average)

A dog’s height at nine months is only a general guideline, and there can be some variance from one dog to the next. An Australian Shepherd’s average height at nine months of age would be 21 inches at the shoulders.

Australian Shepherds are known for their long, lean bodies and short, straight legs that are covered in long, flowing hair. They often have a “rat tail” (longer hair on the rear end) that makes them look like they’re wearing an apron when they move or walk around.

Australian Shepherds grow rapidly during their first year, and their growth slows down after a year of age

Australian Shepherds are a medium-sized dog weighing 20 to 25 pounds and standing 18 to 21 inches tall. Their hair is short and straight, with colors varying from black, blue merle, red merle (red), white, or yellow. Australian Shepherds make excellent pets for families due to their friendly nature, playfulness and high energy levels. They can adapt well to living in an apartment provided they get enough exercise outside of the home every day.

So, there you have it. A little bit of information on how your Australian Shepherd puppy is growing. This growth chart can help you to keep track of how much your puppy weighs and how tall he or she is getting. You should also keep in mind that some pups will be on the low end of their weight range (which is fine), while others might be at the high end or even above it! If your pup has any concerns about his or her health, please contact us immediately so we can help provide care and treatment options for them.

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