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Australian Cattle Dog Puppy Growth Chart & Weight Calculator

How much should a Australian Cattle Dog puppy weigh? Adult Australian Cattle Dogs typically weigh 35-50 lb (16-23 kg). Use the month-by-month chart below or enter your puppy's weight to predict adult size.

Updated 2026-10-10 · Adult range based on typical breed standards

Australian Cattle Dog weight chart by age

AgeExpected weight (lb)Expected weight (kg)% of adult weight
2 months8-12 lb4-5 kg24%
3 months13-19 lb6-8 kg37%
4 months18-25 lb8-11 kg50%
5 months21-31 lb10-14 kg61%
6 months25-36 lb11-16 kg71%
7 months28-40 lb13-18 kg79%
8 months30-43 lb13-19 kg85%
9 months32-45 lb14-20 kg90%
10 months33-47 lb15-21 kg93%
12 months34-49 lb15-22 kg97%
14 months35-50 lb16-22 kg99%
16 months35-50 lb16-23 kg100%

Ranges span typical females (lower end) to males (upper end). Individual puppies vary; your vet's body condition assessment matters more than hitting an exact number.

How big will my Australian Cattle Dog get?

Free · instant · based on veterinary formulas

8 to 104 weeks
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When do Australian Cattle Dogs stop growing?

As a medium-size breed, Australian Cattle Dogs usually reach their adult weight at around 12-16 months, and are typically about half their adult weight by around 4 months. They may keep filling out (gaining muscle and chest depth) for a few months after their height stops increasing.

Feeding a growing Australian Cattle Dog

  • Feed a complete puppy food.
  • Split food into 3-4 meals a day until about 6 months, then 2 meals.
  • Keep your puppy lean. You should be able to feel the ribs easily. Use the dog food calculator (puppy setting) as a starting point.
  • Weigh your puppy every 1-2 weeks and compare with the chart above.

Is my Australian Cattle Dog puppy overweight or underweight?

A puppy slightly outside the chart range is usually fine if it is active, eating well and has a good body shape. Talk to your vet if your puppy is far outside the range, stops gaining weight, or looks pot-bellied or bony. Parents' size is a strong clue: puppies from smaller parents often finish at the lower end.

Other breed growth charts

Frequently asked questions

How big will my Australian Cattle Dog get?

Most adult Australian Cattle Dogs weigh 35-50 lb. Enter your puppy's weight and age in the calculator above for a personalized estimate.

How much should a 6-month-old Australian Cattle Dog weigh?

Typically about 25-36 lb, depending on sex and genetics.

At what age is a Australian Cattle Dog full grown?

Usually around 12-16 months.

Australian Cattle Dog at a glance

Adult weight: 35-50 lb
Size: medium-size
Full grown: 12-16 months

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