Siamese Weight Chart
How big do Siameses get? See their growth chart and ideal weight.
Quick Answer
The Siamese is a small-sized cat that typically weighs 10-25 lbs. They reach full adult size by approximately 18 months. See the complete growth chart and weight milestones below.
Siamese Growth Chart
Is My Siamese a Healthy Weight?
A healthy Siamese 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 Siamese'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 Siamese get?
A healthy adult Siamese typically weighs between 10-25 lbs. They are considered a Small breed.
When does a Siamese stop growing?
Most Siameses reach their full adult height and weight by 18 months. However, they may continue to "fill out" with muscle for a few months after.
How much should a Siamese puppy weigh at 3 months?
At 3 months old, a typical Siamese puppy weighs approximately 4.4 lbs. Growth rates vary, so consult your vet if concerned.
How can I tell if my Siamese is overweight?
A healthy Siamese 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 Siamese may be overweight. Consult your vet for an accurate body condition assessment.
Official Breed Standards
For official Siamese size and weight standards, refer to the AKC Breed Standards. Breed standards define the ideal size range, but individual cats may vary based on genetics, diet, and overall health.