Peruvian Guinea Pig Weight Chart
How big do Peruvian Guinea Pigs get? See their growth chart and ideal weight.
Quick Answer
The Peruvian Guinea Pig is a medium-sized guinea pig that typically weighs 1.5-2.5 lbs. They reach full adult size by approximately 18-24 months. See the complete growth chart and weight milestones below.
Peruvian Guinea Pig Growth Chart
Is My Peruvian Guinea Pig a Healthy Weight?
A healthy Peruvian Guinea Pig 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 Peruvian Guinea Pig'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 Peruvian Guinea Pig get?
A healthy adult Peruvian Guinea Pig typically weighs between 1.5-2.5 lbs. They are considered a Medium breed.
When does a Peruvian Guinea Pig stop growing?
Most Peruvian Guinea Pigs reach their full adult height and weight by 18-24 months. However, they may continue to "fill out" with muscle for a few months after.
How much should a Peruvian Guinea Pig puppy weigh at 3 months?
At 3 months old, a typical Peruvian Guinea Pig puppy weighs approximately 3.8 lbs. Growth rates vary, so consult your vet if concerned.
How can I tell if my Peruvian Guinea Pig is overweight?
A healthy Peruvian Guinea Pig 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 Peruvian Guinea Pig may be overweight. Consult your vet for an accurate body condition assessment.
Official Breed Standards
For official Peruvian Guinea Pig size and weight standards, refer to the AKC Breed Standards. Breed standards define the ideal size range, but individual guinea pigs may vary based on genetics, diet, and overall health.