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How big will a Shih Tzu be?

At eight weeks, most puppies will be ready to go to their new homes. This is the time when good breeders measure their puppies to see if they are developing properly.

Also, at this stage, you will be able to calculate your puppy’s expected weight as an adult Shih Tzu. Isn’t it amazing?

Shih Tzu Size by Age Predictions

Shih Tzus are well known for being the perfect lap dogs. They are small, fluffy, chubby, and absolutely adorable. In general, the full-grown Shih Tzu can range from 9 to 16 pounds. They typically measure 8 to 11 inches from the shoulder blades. The perfect cuddly companion!

The easiest way to estimate how big your Shih Tzu puppy will be once he grows up is to look at his parents. Of course, this is not an option if you have adopted your pup from a shelter. However, any responsible breeder will be able to tell you more about the parents of your future relative and advise you on their adult size. Additionally, grandparents will also affect the adult size of your Shih Tzu.

Shih Tzu Sizing Chart

There are many different methods that breeders use to predict the final size of a Shih Tzu dog.

Whichever method is used, most breeders give a range of weights, as there is currently no accurate way to predict a dog’s actual size at a certain age.

When do Shih Tzu puppies reach adult size?

Shih Tzu puppies stop growing around ten months of age. Like other smaller breeds, this is much shorter than the large or giant breeds, which can continue to grow for up to eighteen months or longer. Of course, every pup is different, and you may find one that is a late developer! We have discussed when shih tzu puppies can eat solid food in our other article.

There are many methods to predict your puppy’s adult weight, and none are 100% reliable. One method is to multiply his weight (in pounds) at 8 weeks by 3 and add 2 pounds.

Another suggests that at one month of age, your pup should be 10% of its adult weight, and by 4 months, it should be half its adult weight. In reality, a puppy’s growth is not linear, and each dog’s exact weight will be different. A sample growth chart for small, medium and large Shih Tzus can be found below:

Month 2

  • Height: 2 to 5 inches (5 to 12.7 cm )
  • Weight: 2 to 3 lbs (0.90 to 1.36 kg)
  • What to expect: In the second month, growth is moderately fast with more even weight gain. The pups are more active and begin to gain more vocalization. Weaning usually ends and free feeding begins. Puppies can be easily startled at this stage; however, the fears have not yet been solidified.
  • Height: 3 to 6 inches (7 to 15.24 cm)
  • Weight: 3.9 to 7 lbs (1.8 to 3.2 kg)
  • Expectation: After three months, growth remains constant and there is development almost every week. The puppy should have three scheduled meals during the day and snacks. There should be regular exercise, such as walks, to ensure healthy growth and social development. The puppy is learning her place in the home.