Cornish Rex Weight Chart
How big do Cornish Rexs get? See their growth chart and ideal weight.
Quick Answer
The Cornish Rex is a small-sized cat that typically weighs 5-10 lbs. They reach full adult size by approximately 18 months. See the complete growth chart and weight milestones below.
Cornish Rex Growth Chart
Is My Cornish Rex a Healthy Weight?
A healthy Cornish Rex 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 Cornish Rex'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 Cornish Rex get?
A healthy adult Cornish Rex typically weighs between 5-10 lbs. They are considered a Small breed.
When does a Cornish Rex stop growing?
Most Cornish Rexs 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 Cornish Rex puppy weigh at 3 months?
At 3 months old, a typical Cornish Rex puppy weighs approximately 1.9 lbs. Growth rates vary, so consult your vet if concerned.
How can I tell if my Cornish Rex is overweight?
A healthy Cornish Rex 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 Cornish Rex may be overweight. Consult your vet for an accurate body condition assessment.
Official Breed Standards
For official Cornish Rex 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.