Rachel
Rachel is a stay-at-home pet mom, caring for her dog, cat, turtle, tortoise, and fish. She's a content writer in various niches but most notably in the pet field, educating pet parents on the health and wellbeing of their furry friends. When she's not writing, she's reading, playing video games, or organizing something.
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Health Learn About Dogs Raising a Dog

When Do Dogs Stop Growing?

Rachel Poli Author
Rachel
Aug 11 ·
when do dogs stop growing

Dogs grow a lot faster than humans do. Puppies are adorable, and it would be great if they stayed little forever, but believe it or not, they’ll be full size in no time. So, when do dogs stop growing? We’re going to answer that question and more when it comes to your dog’s size.

when do dogs stop growing

When do dogs stop growing in height?

Did you know that your dog’s growth depends on a couple of different factors? One is the size of the dog breed, and the other depends on when they are spayed or neutered. Small dog breeds will reach their full size before larger dog breeds. This is because the bones in large dogs need more calcium to grow to their full size.

Most of the time, dogs will be fully grown between six and 18 months. However, it depends on the dog’s genes and breed. You can predict when they’ll be their full size (and how big they will be), but you won’t know for sure until they are truly fully grown. So, when do dogs stop growing in size? Let’s find out by breed size.

when do dogs stop growing

When do small dogs stop growing?

If you brought home a small pup, then you might be wondering, when do small breed dogs stop growing? Small dogs are typically 25 pounds and under. These breeds include the Chihuahua, Toy Poodle, Maltese, and Yorkshire Terrier, to name a few.

Between the ages of four and six months, you’ll notice that your puppy will rapidly begin to grow. Then, by the time they are between ten and 12 months, your small pup should be fully grown.

When do medium dogs stop growing?

Medium dog breeds are usually between 25 and 50 pounds. These doggos include Beagles, Basset Hounds, or Miniature Schnauzers. These pups will be fully grown between 12 and 15 months. However, you may notice they double in size between eight and 12 weeks.

When do large dogs stop growing?

Large dog breeds are over 50 pounds, such as the Labrador Retrievers, German Shepherds, Collies, and Boxers. So, when do Boxer dogs stop growing? They will most likely be fully grown by 18 months. After that, they’ll double their size between eight and 12 weeks old, and then their growth will slow.

When do giant dogs stop growing?

The Saint Bernard, Great Dane, and Mastiff are just a couple of examples of giant dog breeds. They take the longest to develop because they’re so huge. So, you can expect your pooch to be fully grown between 18 and 24 months. In some cases, a giant dog has taken up to three years to be fully grown.

What about gender?

If you have a male or female dog, you may ask yourself, when do male dogs stop growing? Or, when do female dogs stop growing? In most dog breeds, the females are typically slightly smaller than the males. Why? It’s usually because females mature faster than males. It also depends on when they are spayed or neutered.

For example, female dogs tend to be spayed earlier than male dogs because they go into heat. If a dog is spayed or neutered before their first birthday, they tend to stop growing earlier.

Fun fact

Believe it or not, your puppy’s adult teeth will be fully grown before they reach their full size in height. A lot of people ask when do dogs’ teeth stop growing or when do puppies stop teething? The answer is, they should have their full set of 42 adult teeth by six months of age.

Their puppy teeth begin to come in about three to four weeks of age and start to fall out between 14 and 30 weeks. So, while your dog is growing into its new paws, you can rest assured that their teething shouldn’t last past six months.

At what age did your dog stop growing?

It can be hard to determine when your puppy is going to stop growing. However, as long you bring them to the veterinarian once in a while to make sure they’re growing healthy, that’s all that matters. Your pooch will stop growing when they’re ready. Just remember that the smaller the dog, the faster it’ll grow.

Similar reading: learn more about puppies

Rachel Poli Author
WRITTEN BY
Rachel
Rachel is a stay-at-home pet mom, caring for her dog, cat, turtle, tortoise, and fish. She's a content writer in various niches but most notably in the pet field, educating pet parents on the health and wellbeing of their furry friends. When she's not writing, she's reading, playing video games, or organizing something.
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