Use the Weight Tracker
How to Track Your Shih Tzu's Weight
Enter your Shih Tzu's current weight above to see whether they fall within the healthy range for the breed. Track your Shih Tzu's weight changes over time with reliable breed-standard benchmarks. Regular weigh-ins — at least once monthly for adults and weekly for puppies — are one of the best preventive health habits you can build.
The Shih Tzu is an ancient toy breed that originated in Chinese imperial palaces, where they were bred as lap dogs for royalty. The name 'Shih Tzu' means 'lion dog' in Chinese. They are known for their flowing, silky coats and sweet, affectionate nature. Shih Tzus are adaptable and do well in apartments and homes alike. Like other flat-faced breeds, they can struggle with heat and heavy exercise. Their long coats require daily brushing or a short 'puppy cut' for easier maintenance.
Healthy Weight Ranges for Shih Tzus
According to breed standards, a healthy adult Shih Tzu typically weighs:
Males: 9–16 lbs (4.1–7.3 kg)
Females: 9–16 lbs (4.1–7.3 kg)
These are reference ranges for adult dogs in good physical condition. Individual variation is normal — a muscular, athletic Shih Tzu may weigh more than average while still being perfectly healthy. Body condition score (visible ribs, waist tuck) matters more than the scale alone.
Signs Your Shih Tzu May Be Overweight
You should be able to feel your Shih Tzu's ribs easily without pressing hard, but they shouldn't be visually prominent. When viewed from above, their waist should be visible behind the ribcage. From the side, there should be a slight abdominal tuck. If ribs are hard to feel and there's no waist definition, your dog is likely overweight.
Common causes of weight gain in Shih Tzus include: too many treats, table scraps, insufficient exercise, age-related metabolic slowdown, and — in some cases — hypothyroidism. If your Shih Tzu gains weight despite normal eating habits, have your vet run a thyroid panel.
How Often Should You Weigh Your Shih Tzu?
Puppies: Weekly, to ensure healthy growth trajectory.
Adults: Monthly, or at every vet visit — whichever is more frequent.
Seniors (7+ years): Every 2–3 weeks, as metabolic changes and muscle loss can happen quickly.
Frequently Asked Questions
Q: My Shih Tzu weighs more than the range — is that a problem?
A: Not necessarily. Working dogs, highly muscular individuals, and large-framed dogs can exceed standard weight ranges while remaining healthy. Ask your vet to assess body condition score alongside weight.
Q: How fast should my Shih Tzu lose weight if overweight?
A: Aim for 1–2% of body weight loss per week — any faster risks muscle loss and nutrient deficiencies. For a 12-lb Shih Tzu, that's about 0.2–0.2 lbs per week.
Disclaimer: Weight tracking provides general guidance. Consult your veterinarian for a personalized assessment.