How to Estimate Size of a Shih Tzu Puppy. by Simon Thomas. An Adult Shih Tzu. As befitting the Shi Tzu's noble Chinese ancestry he should stand proudly, carrying a weight of between 9 and 16 pounds. Anything either lighter or heavier indicates an unhealthy dog. Consequently it is advised that you keep track of your puppy's weight, estimating.
The standard size of the Shih Tzu is 9-16 pounds (4.08-7.26 kg) for weight and 8-11 inches (20.3-27.9 cm) for height (measured from the floor to the withers, which are the top of the shoulder blades).
For a more accurate estimate, enter your Shih Tzu puppy's current age and weight into our Puppy Weight Predictor to predict its adult size. Please note this is an estimate based on typical growth patterns for Shih Tzu puppies.