Japanese Bobtail Weight Chart

How big do Japanese Bobtails get? See their growth chart and ideal weight.

Quick Answer

The Japanese Bobtail is a medium-sized cat that typically weighs 6-10 lbs. They reach full adult size by approximately 18 months. See the complete growth chart and weight milestones below.

Adult Weight Range
6-10 lbs
Size: Medium

Japanese Bobtail Growth Chart

8 weeks
1.2 lbs
15%
3 months
2.0 lbs
25%
6 months
4.0 lbs
50%
9 months
6.0 lbs
75%
12 months
7.2 lbs
90%
18 months
8.0 lbs
100%

Is My Japanese Bobtail a Healthy Weight?

A healthy Japanese Bobtail 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 Japanese Bobtail'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 Japanese Bobtail get?

A healthy adult Japanese Bobtail typically weighs between 6-10 lbs. They are considered a Medium breed.

When does a Japanese Bobtail stop growing?

Most Japanese Bobtails 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 Japanese Bobtail puppy weigh at 3 months?

At 3 months old, a typical Japanese Bobtail puppy weighs approximately 2.0 lbs. Growth rates vary, so consult your vet if concerned.

How can I tell if my Japanese Bobtail is overweight?

A healthy Japanese Bobtail 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 Japanese Bobtail may be overweight. Consult your vet for an accurate body condition assessment.

Official Breed Standards

For official Japanese Bobtail 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.