Male & Female Boston Terrier Weights & Heights by Age

Renowned for their tuxedo-like markings and endearing expression, Boston Terriers are affectionately dubbed the “American Gentleman” of the canine world. However, beneath that urbane appearance, this breed showcases a wide range of sizes and builds, especially during their puppy years. This article dives deep into the world of Boston Terrier puppies, elucidating their growth trajectory in terms of average weights and heights. For potential and new Boston Terrier owners, or simply enthusiasts of the breed, understanding this growth pattern is crucial to ensure these puppies mature into healthy, well-proportioned adults. Dive in to unravel the growth mysteries of this beloved breed.

Male Boston Terrier Weights & Heights by Age
The following chart contains the average weights and heights of a male Boston Terrier from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Boston Terrier’s growth.

Age
Weight (pounds)
Weight (kg)
Height (inches)
Height (cm)

0-1 month
1-3
0.5-1.4
3-5
7.6-12.7

2 months
3-5
1.4-2.3
5-7
12.7-17.8

3 months
5-8
2.3-3.6
7-9
17.8-22.9

4 months
7-10
3.2-4.5
8-10
20.3-25.4

5 months
8-12
3.6-5.4
9-11
22.9-27.9

6 months
9-14
4.1-6.4
9.5-12
24.1-30.5

7-12 months
10-16
4.5-7.3
10-13
25.4-33

2 years
12-25
5.4-11.3
15-17
38.1-43.2

3 years
12-25
5.4-11.3
15-17
38.1-43.2

 
Female Boston Terrier Weights & Heights by Age
The following chart contains the average weights and heights of a female Boston Terrier from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Boston Terrier’s growth.

Age
Weight (pounds)
Weight (kg)
Height (inches)
Height (cm)

0-1 month
0.8-2.8
0.4-1.3
2.5-4.5
6.4-11.4

2 months
2.5-4.5
1.1-2
4.5-6.5
11.4-16.5

3 months
4-7
1.8-3.2
6-8
15.2-20.3

4 months
5-9
2.3-4.1
7-9
17.8-22.9

5 months
6-10
2.7-4.5
7.5-10
19-25.4

6 months
7-12
3.2-5.4
8-11
20.3-27.9

7-12 months
8-15
3.6-6.8
8.5-12
21.6-30.5

2 years
10-20
4.5-9.1
14-16
35.6-40.6

3 years
10-20
4.5-9.1
14-16
35.6-40.6

These tables are based on general guidelines and can vary greatly depending on individual dogs. Always consult with a veterinarian or professional breeder for more specific information about your pet’s growth and development.
FAQs about a Boston Terrier Puppy’s Growth and Development

How fast will my Boston Terrier puppy grow?
Boston Terriers experience most of their growth during their first year. By around 12 months, they’ve usually reached their full height, but they may continue to fill out until 18 months.
Is there a difference in growth rates between male and female Boston Terriers?
Yes, males generally grow slightly larger than females. However, individual growth can vary, and other factors like genetics and nutrition play significant roles.
When will my Boston Terrier reach its adult weight?
Most Boston Terriers will reach their adult weight by their first birthday. However, some may continue to gain a little more weight until they’re about 18 months old.
How can I tell if my Boston Terrier puppy is overweight?
A healthy Boston Terrier has a visible waist when viewed from above and a tuck in the belly when viewed from the side. If you can’t feel their ribs without pressing, your puppy might be overweight. Consult your vet for guidance.
How much should I feed my Boston Terrier puppy?
Feeding amounts vary based on the puppy’s age, weight, and activity level. Start with the recommended amount on the dog food label and adjust according to your puppy’s growth and body condition.
Is it normal for my Boston Terrier’s legs to seem long during growth?
Yes, puppies often go through awkward growth phases where their legs appear longer than their bodies. They’ll usually grow into them.
How often should I visit the vet for growth check-ups?
It’s good practice to have monthly vet visits for the first six months of your puppy’s life to ensure they are growing correctly and to receive necessary vaccinations.
Why does my Boston Terrier puppy have a potbelly?
While a slight potbelly can be normal after eating, a consistently distended belly could indicate worms or other health issues. It’s best to consult with a vet.
Are growth supplements necessary for my Boston Terrier?
No, if you’re feeding a balanced and high-quality puppy food, supplements aren’t usually necessary. However, always consult with your vet before introducing any new supplements or changes to your puppy’s diet.
How do I ensure my Boston Terrier’s bones and joints are healthy as they grow?
Provide a balanced diet, avoid over-exercising, and prevent jumping from heights to protect developing joints. Regular vet check-ups will also help monitor their bone and joint health.
Why are my Boston Terrier’s ears not standing up yet?
Boston Terriers’ ears can take time to stand erect, especially during teething. By about 6 months, most will have their ears standing up, but some may take longer.
Can I predict my puppy’s adult size by looking at their paws?
While larger paws can sometimes indicate a larger adult dog, it’s not always accurate. A better predictor is the size of the puppy’s parents.
Should I be concerned if my Boston Terrier puppy is smaller than its littermates?
Not necessarily. Puppies grow at different rates, and being smaller doesn’t always indicate a health issue. However, monitor their growth and consult a vet if you have concerns.
Do Boston Terriers have growth spurts?
Yes, like many breeds, Boston Terriers can experience growth spurts, particularly between 4-8 months of age.
What age is a Boston Terrier considered fully grown?
Boston Terriers are typically considered adults around one year of age, though some might continue to fill out until they’re 18 months.
How can I ensure my Boston Terrier puppy grows up healthy?
Regular vet check-ups, a balanced diet, appropriate exercise, and proper socialization are key components in ensuring your Boston Terrier grows up healthy.
Will neutering or spaying affect my Boston Terrier’s growth?
There’s some evidence to suggest early neutering or spaying can slightly affect a dog’s growth, but the impact on overall size is minimal. Discuss the best timing with your vet.
Why does my Boston Terrier seem so energetic?
Boston Terriers are known for their lively and spirited nature, especially as puppies. Regular play and training can help channel their energy.
Is crate training beneficial for my growing Boston Terrier?
Yes, crate training can offer a safe space for your puppy and aid in house training. Ensure the crate is appropriately sized, allowing the puppy to stand, turn, and lie down comfortably.
How can I socialize my Boston Terrier puppy to ensure balanced growth and behavior?
Expose them to various environments, people, and other animals in a controlled and positive manner. Puppy classes and regular outings can be beneficial for socialization.

Boston Terrier Resources

CBD for Boston Terriers: What You Need to Know
Best Supplements for a Senior Boston Terrier
Best Flea & Tick Products for Boston Terriers
Best Dog Foods for Boston Terriers
Best Online Dog Training Courses for Boston Terrier
Best Hip & Joint Supplement for a Boston Terrier
What Supplements Should I Give a Boston Terrier Puppy?
The 9 Best Boston Terrier Puppy Foods
Best Dog Beds for Boston Terriers
Improve Your Boston Terrier’s Skin & Coat with This One Hack
Giving This to Your Boston Terrier Daily Can Alleviate Itchy Allergies
6 Natural Ingredients to Fight Your Boston Terrier’s Allergies
8 Ways to Stop Your Boston Terrier’s Scratching
7 Ways to Calm Your Boston Terrier’s Anxiety
6 Remedies for Your Boston Terrier’s Diarrhea, Gas, or Vomiting
7 Best Dental Chews for a Boston Terrier

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