How big will my Australian Kelpie get?
An adult Australian Kelpie weighs 35 to 50 pounds (15.9 to 22.7 kg), according to the American Kennel Club. Put in your puppy’s age and weight to see where they’re heading.
Australian Kelpie puppy weight calculator
Estimated adult weightAn estimate from average growth. Breed, genetics and diet all play a part.
Australian Kelpie adult weight
| Pounds | Kilograms | |
|---|---|---|
| Male or female | 35 to 50 pounds | 15.9 to 22.7 kg |
Adult weight from the American Kennel Club’s Australian Kelpie breed page, checked 1 October 2026. Individual dogs vary, and a healthy weight for your dog is one for your vet to judge.
How the estimate works
The calculator takes your puppy’s weight, divides it by their age in weeks, and multiplies by 52. It’s a quick guide, not a growth chart: puppies gain fast early on and slow down as they near adult size, so the answer shifts as they grow. That’s why the result is shown next to the breed’s adult weight. If the two disagree, trust the breed’s weight and your vet.
More on the Australian Kelpie
- Our Australian Kelpie breed guide: temperament, care and training.
- Ask other owners on the forum how their Australian Kelpie grew.
- Find a dog trainer near you, ranked by Bark Score with training methods labelled.
- Dog age calculator: your dog’s age in human years.