Boston Terrier Weight Chart
How big do Boston Terriers get? See their growth chart and ideal weight.
Quick Answer
The Boston Terrier is a small-sized dog that typically weighs 10-25 lbs. They reach full adult size by approximately 18-24 months. See the complete growth chart and weight milestones below.
Boston Terrier Growth Chart
Is My Boston Terrier a Healthy Weight?
A healthy Boston Terrier 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 Boston Terrier'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 Boston Terrier get?
A healthy adult Boston Terrier typically weighs between 10-25 lbs. They are considered a Small breed.
When does a Boston Terrier stop growing?
Most Boston Terriers 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 Boston Terrier puppy weigh at 3 months?
At 3 months old, a typical Boston Terrier puppy weighs approximately 5.3 lbs. Growth rates vary, so consult your vet if concerned.
How can I tell if my Boston Terrier is overweight?
A healthy Boston Terrier 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 Boston Terrier may be overweight. Consult your vet for an accurate body condition assessment.
Official Breed Standards
For official Boston Terrier size and weight standards, refer to the AKC Breed Standards. Breed standards define the ideal size range, but individual dogs may vary based on genetics, diet, and overall health.