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

An adult male Shih Tzu typically weighs between 6.5-8kg, while females usually weigh between 6.2-7.5kg. These ranges can vary depending on genetics, diet, and activity level.

When do Shih Tzus stop growing?

Most small breeds like the Shih Tzu reach their full height and weight by around 9 to 12 months of age. Some may fill out slightly after that, but major growth typically stops within the first year.

How much should a Shih Tzu weigh at 3, 6, and 12 months?

While every puppy is different, here are typical weight ranges for male Shih Tzus: 3 months: 2.2-3.5kg 6 months: 5.2-6.4kg 12 months: 6.5-8kg

Is my Shih Tzu the right weight for their age?

Our weight calculator provides a guide based on typical growth ranges for the Shih Tzu. If your dog falls outside of these ranges, it doesn’t always mean something is wrong - but it may be worth checking with your vet for peace of mind.

What is the ideal height for a Shih Tzu?

Adult male Shih Tzus typically stand between 27-28cm at the shoulder, while females range from 26-27cm. These measurements can vary slightly by individual.

How can I tell if my Shih Tzu is overweight or underweight?

A healthy Shih Tzu should have a visible waist when viewed from above, and you should be able to feel their ribs without pressing hard. If your dog seems noticeably round or has a sagging belly, it may be overweight. For confirmation, consult your vet.

Do male and female Shih Tzus grow to the same size?

Not exactly. Male Shih Tzus are generally a bit taller and heavier than females, but both sexes should fall within the expected ranges shown above to remain healthy.

Shih Tzu Weight & Height Calculator: Find the Ideal Growth for Your Shih Tzu

Predict your Shih Tzus adult weight and height based on their current measurements!

What Is the Ideal Weight & Height for a Shih Tzu?

An adult Shih Tzu should weigh 6.5 - 8kg, whereas a female should weigh 6.2 - 7.5kg. Various factors can affect this, such as whether the dog is purebreed, or even if it is a working type or show type.

Male Shih Tzu Weight & Height Chart

Age (Months)	Weight (kg)	Height (cm)
2 Months	1.2 - 2 kg	12 - 15 cm
3 Months	2.2 - 3.5 kg	17 - 20 cm
4 Months	3.4 - 4.7 kg	21 - 24 cm
5 Months	4.4 - 5.7 kg	23 - 25 cm
6 Months	5.2 - 6.4 kg	24 - 26 cm
7 Months	5.6 - 6.8 kg	25 - 27 cm
8 Months	5.8 - 7 kg	25 - 27 cm
9 Months	6 - 7.2 kg	26 - 28 cm
10 Months	6.2 - 7.4 kg	26 - 28 cm
11 Months	6.4 - 7.6 kg	26 - 28 cm
12 Months	6.5 - 8 kg	26 - 28 cm
18 Months	6.5 - 8 kg	27 - 28 cm
24 Months	6.5 - 8 kg	27 - 28 cm

Female Shih Tzu Weight & Height Chart

Age (Months)	Weight (kg)	Height (cm)
2 Months	1.1 - 1.8 kg	11 - 14 cm
3 Months	2 - 3.3 kg	16 - 19 cm
4 Months	3.1 - 4.4 kg	20 - 23 cm
5 Months	4 - 5.4 kg	22 - 24 cm
6 Months	4.8 - 6.1 kg	23 - 25 cm
7 Months	5.3 - 6.5 kg	24 - 26 cm
8 Months	5.5 - 6.7 kg	24 - 26 cm
9 Months	5.7 - 6.9 kg	25 - 27 cm
10 Months	5.9 - 7.1 kg	25 - 27 cm
11 Months	6.1 - 7.3 kg	25 - 27 cm
12 Months	6.2 - 7.5 kg	25 - 27 cm
18 Months	6.2 - 7.5 kg	26 - 27 cm
24 Months	6.2 - 7.5 kg	26 - 27 cm

Disclaimer: The data provided on this page is given as a guide only and a qualified vet should be consulted with any concerns for your pets weight or other health issues

Is Your Shih Tzus Weight Healthy for Its Height?

Monitoring your Shih Tzus weight in relation to its height is essential for ensuring overall health and well-being. Every dog breed has an ideal weight and height range that helps to determine what is healthy. dogs weight falls within the typical range for its breed and height, it is likely in good shape. However, weight management can be a bit more nuanced.

For instance, a Shih Tzu that is taller than average may naturally weigh more without being overweight. Conversely, a shorter dog should typically weigh less. It's important to regularly assess your dogs body condition through a combination of weight, height, and visual checks, such as observing the waistline and feeling for ribs. If you're unsure, consult your vet to determine if your dog's weight is appropriate for its breed, size, and life stage. Healthy weight contributes to longevity, improved mobility, and reduced risk of conditions such as joint problems and heart disease.

By keeping an eye on your Shih Tzus weight and height, you can help ensure they remain happy, active, and in optimal health throughout their life.

Frequently Asked Questions

What is the average weight of a fully grown Shih Tzu?
An adult male Shih Tzu typically weighs between 6.5-8kg, while females usually weigh between 6.2-7.5kg. These ranges can vary depending on genetics, diet, and activity level.
When do Shih Tzus stop growing?
Most small breeds like the Shih Tzu reach their full height and weight by around 9 to 12 months of age. Some may fill out slightly after that, but major growth typically stops within the first year.
How much should a Shih Tzu weigh at 3, 6, and 12 months?
While every puppy is different, here are typical weight ranges for male Shih Tzus:
- 3 months: 2.2-3.5kg
- 6 months: 5.2-6.4kg
- 12 months: 6.5-8kg
Is my Shih Tzu the right weight for their age?
Our weight calculator provides a guide based on typical growth ranges for the Shih Tzu. If your dog falls outside of these ranges, it doesn’t always mean something is wrong - but it may be worth checking with your vet for peace of mind.
What is the ideal height for a Shih Tzu?
Adult male Shih Tzus typically stand between 27-28cm at the shoulder, while females range from 26-27cm. These measurements can vary slightly by individual.
How can I tell if my Shih Tzu is overweight or underweight?
A healthy Shih Tzu should have a visible waist when viewed from above, and you should be able to feel their ribs without pressing hard. If your dog seems noticeably round or has a sagging belly, it may be overweight. For confirmation, consult your vet.
Do male and female Shih Tzus grow to the same size?
Not exactly. Male Shih Tzus are generally a bit taller and heavier than females, but both sexes should fall within the expected ranges shown above to remain healthy.