Shih Tzu Weight Chart
How big do Shih Tzus get? See their growth chart and ideal weight.
Quick Answer
The Shih Tzu is a toy-sized dog that typically weighs 4-19 lbs. They reach full adult size by approximately 18-24 months. See the complete growth chart and weight milestones below.
Shih Tzu Growth Chart
Is My Shih Tzu a Healthy Weight?
A healthy Shih Tzu should have a visible waist when viewed from above, and you should be able to feel (but not see) their ribs. Proper nutrition and regular health checkups are essential for maintaining your Shih Tzu's ideal weight.
- ✓Ideal: Ribs easily felt, visible waist, tucked abdomen
- !Overweight: Ribs hard to feel, no waist visible, rounded belly
- ✗Underweight: Ribs, spine visible, prominent waist
Frequently Asked Questions
How big does a Shih Tzu get?
A healthy adult Shih Tzu typically weighs between 4-19 lbs. They are considered a Toy breed.
When does a Shih Tzu stop growing?
Most Shih Tzus reach their full adult height and weight by 18-24 months. However, they may continue to "fill out" with muscle for a few months after.
How much should a Shih Tzu puppy weigh at 3 months?
At 3 months old, a typical Shih Tzu puppy weighs approximately 3.4 lbs. Growth rates vary, so consult your vet if concerned.
How can I tell if my Shih Tzu is overweight?
A healthy Shih Tzu should have a visible waist when viewed from above, and you should be able to feel (but not see) their ribs through a thin layer of fat. If the waist isn't visible, ribs are hard to feel, or the belly sags, your Shih Tzu may be overweight. Consult your vet for an accurate body condition assessment.
Official Breed Standards
For official Shih Tzu size and weight standards, refer to the AKC Breed Standards. Breed standards define the ideal size range, but individual dogs may vary based on genetics, diet, and overall health.