Selkirk Rex Weight Chart

How big do Selkirk Rexs get? See their growth chart and ideal weight.

Quick Answer

The Selkirk Rex is a medium to large-sized cat that typically weighs 6-16 lbs. They reach full adult size by approximately 18 months. See the complete growth chart and weight milestones below.

Adult Weight Range
6-16 lbs
Size: Medium to Large

Selkirk Rex Growth Chart

8 weeks
1.6 lbs
15%
3 months
2.8 lbs
25%
6 months
5.5 lbs
50%
9 months
8.3 lbs
75%
12 months
9.9 lbs
90%
18 months
11.0 lbs
100%

Is My Selkirk Rex a Healthy Weight?

A healthy Selkirk 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 Selkirk 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 Selkirk Rex get?

A healthy adult Selkirk Rex typically weighs between 6-16 lbs. They are considered a Medium to Large breed.

When does a Selkirk Rex stop growing?

Most Selkirk 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 Selkirk Rex puppy weigh at 3 months?

At 3 months old, a typical Selkirk Rex puppy weighs approximately 2.8 lbs. Growth rates vary, so consult your vet if concerned.

How can I tell if my Selkirk Rex is overweight?

A healthy Selkirk 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 Selkirk Rex may be overweight. Consult your vet for an accurate body condition assessment.

Official Breed Standards

For official Selkirk 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.