Shih Tzu: Weight charts, life expectancy, size, and more

Discover everything about the Shih Tzu, including weight charts, weight progressions of registered dogs, life expectancy, size, and other useful information.

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Head of the dog breed Shih Tzu
  • 20 - 28 cm
  • 9 - 15 lbs
  • 10 - 18 years
  • from 13 months
  • 20 - 28 cm
  • 10 - 18 lbs
  • 10 - 18 years
  • from 13 months

Size, development and life expectancy of Shih Tzus

The Shih Tzu is one of the smallest dog breeds with a final size of 20 - 28 cm. Already after a maximum of 13 months Shih Tzus are fully grown and show their final appearance.

With a life expectancy ranging from 10 to 18 years, the Shih Tzu falls into the upper average compared to other dog breeds. The final weight varies depending on gender, ranging between 8.8 - 17.6 lbs. Male Shih Tzus are usually around 1.1 lbs heavier than females.

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Male Weight Curve: Development of the Shih Tzu from 2 to 13 Months

Male dogs of the Shih Tzu breed belong to the category of light dogs. After 3 months, they reach a relatively low weight of 6,1 lbs. Within another 3 months, their average weight increases to approximately 10,7 lbs. With a growth period of 7 months, these males ultimately reach a final weight ranging from 9.9 - 17.6 lbs.

Age Weight
2 Month 5.07 lbs
3 Month 7.50 lbs
4 Month 9.92 lbs
5 Month 11.68 lbs
6 Month 13.45 lbs
7 Month 14.77 lbs
8 Month 15.65 lbs
9 Month 16.09 lbs
10 Month 16.76 lbs
11 Month 17.09 lbs
12 Month 17.31 lbs
13 Month 17.46 lbs
14 Month 17.64 lbs

Female Weight Curve: Development of the Shih Tzu from 2 to 13 Months

Female dogs of the Shih Tzu breed are classified as part of the light dog category. By the end of 3 months, they attain a weight that can be considered relatively low, amounting to 5,5 lbs. Over the subsequent 3 months, their average weight rises to approximately 9,5 lbs. As they continue to grow for 7 more months, these females eventually achieve a final weight range spanning from 8.8 - 15.4 lbs.

Age Weight
2 Month 4.63 lbs
3 Month 6.83 lbs
4 Month 8.82 lbs
5 Month 10.58 lbs
6 Month 11.90 lbs
7 Month 13.01 lbs
8 Month 13.89 lbs
9 Month 14.33 lbs
10 Month 14.55 lbs
11 Month 14.99 lbs
12 Month 15.21 lbs
13 Month 15.43 lbs
Registered dog named 'Abby' Registered dog named 'BamBam' Registered dog named 'Ivy' Registered dog named 'Vahile'

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Precise prediction of the final weight of Shih Tzus

Calculate the final weight for Shih Tzu puppies and young dogs

Do you want to know how big your Shih Tzu puppy will eventually become? With our special dog growth calculator, you can accurately calculate the end weight of the Shih Tzu breed. Whether you currently have an adorable Shih Tzu puppy or your young dog is growing up, our user-friendly tool provides you with valuable information.

Dog Weight Calculator

lbs

Last weighings of registered Shih Tzu owners

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Shih Tzu
Vénus
Dog breed Vénus
  • Weight:
    10 lbs
  • Age:
    5 months
  • Gender:
    Female Dog
Shih Tzu
Lucky
Premium
Dog breed Lucky
  • Weight:
    11 lbs
  • Age:
    6 months
  • Gender:
    Male Dog
Shih Tzu
Odin
Dog breed Odin
  • Weight:
    6 lbs
  • Age:
    3 months
  • Gender:
    Male Dog
Shih Tzu
Maja
Dog breed Maja
  • Weight:
    12 lbs
  • Age:
    7 months
  • Gender:
    Female Dog
Shih Tzu
Grecia
Dog breed Grecia
  • Weight:
    10 lbs
  • Age:
    9 months
  • Gender:
    Female Dog
Shih Tzu
Mille
Dog breed Mille
  • Weight:
    16 lbs
  • Age:
    7 months
  • Gender:
    Male Dog
Shih Tzu
MILO
Dog breed MILO
  • Weight:
    10 lbs
  • Age:
    8 months
  • Gender:
    Male Dog
Shih Tzu
Milo
Dog breed Milo
  • Weight:
    12 lbs
  • Age:
    9 months
  • Gender:
    Male Dog
Shih Tzu
Moro
Dog breed Moro
  • Weight:
    4 lbs
  • Age:
    5 months
  • Gender:
    Male Dog
Shih Tzu
Kenzo
Dog breed Kenzo
  • Weight:
    9 lbs
  • Age:
    7 months
  • Gender:
    Male Dog

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Dog looking out of paper hole

Shih Tzu: Frequently asked questions about the dog breed

How much does a Shih Tzu puppy weigh?

Typically, a Shih Tzu puppy weighs around 3,7 - 6,1 lbs at 2 months old and continues to gain an additional 3,77 lbs over the next 2 months. By approximately 18 weeks, when the puppy reaches the adolescent stage, a Shih Tzu puppy weighs about 7,1 - 9,5 lbs.

What is the typical size of a Shih Tzu?

The size of an Shih Tzu can vary depending on gender and genetics. Generally, male Shih Tzus reach a shoulder height of approximately 24 cm, while females have an average shoulder height of around 24 cm.

When is the dog breed Shih Tzu fully grown?

The dog breed Shih Tzu usually reaches full physical maturity at about 13 to 13 months of age. However, this may vary from individual to individual, as each dog has its own growth rate.

What is the average weight of a fully grown Shih Tzu?

The weight of a fully grown Shih Tzu dog can vary depending on factors such as gender and genetics. On average, male dogs of this breed typically weigh between 9.9 - 17.6 lbs. Female dogs, on the other hand, usually have a weight range of 8.8 - 15.4 lbs.

What is the average lifespan of a Shih Tzu dog?

Shih Tzus generally have a life expectancy of approximately 10 to 18 years. With proper care, nutrition, and regular veterinary attention, they can lead happy and healthy lives.