Pet Care Blog

Boxer Growth & Weight Chart: Everything You Need To Know

Aliyah Diamond
Cornell University College of Veterinary Medicine
growing boxer puppy

Boxers are fun-loving, loyal, and alert dogs with an athletic build. Bred originally for big-game hunting, the Boxer is considered a medium to large-sized dog. They are excellent with children and astute watch dogs. Today, they’re known for being one of America’s top ten most popular dog breeds and having the longest tongue among dogs. If you have a Boxer puppy, you may be asking yourself how large can a Boxer grow and how do I know that my Boxer is finished growing?

Everything you need to know about Boxer growth:

Boxer Growth & Weight Chart

The following numbers are all estimates to help you approximate how big your Boxer will be at certain ages. These are estimates, so don’t worry if your Boxer is slightly behind or ahead of these numbers. Simply continue taking your Boxer to regular veterinary appointments to make sure they are happy and healthy.

Pro Tip: Want to get reimbursed for your dog’s vet bills? Compare Boxer health insurance options and enroll to save big on vet costs (and peace of mind).

Male Boxer Growth and Weight Chart

Age Weight
1 month 5.5 - 9 lbs
2 months 16 - 20 lbs
3 months 22 - 26 lbs
4 months 30 - 35 lbs
5 months 35 - 41 lbs
6 months 41 - 48 lbs
7 months 48 - 55 lbs
8 months 50 - 57 lbs
9 months 52 - 61 lbs
10 months 55 - 63 lbs
11 months 57 - 66 lbs
1 year 57 - 68 lbs
1.5 years old 60 - 70 lbs
2 years 60 - 70 lbs

Female Boxer Growth and Weight Chart

Age Weight
1 month 4.5 - 8 lbs
2 months 11 - 17 lbs
3 months 22 - 26 lbs
4 months 28 - 30 lbs
5 months 33 - 37 lbs
6 months 39 - 44 lbs
7 months 44 - 50 lbs
8 months 50 - 52 lbs
9 months 52 - 59 lbs
10 months 52 - 59 lbs
11 months 52 - 59 lbs
1 year 52 - 61 lbs
1.5 years old 55 - 63 lbs
2 years 55 - 65 lbs

At what age is a Boxer full grown?

As a medium to large-sized dog breed, Boxers need more time to fill out and reach their full size than smaller dog breeds. As a general rule, expect your Boxer to grow until they are 18 to 24 months old. Keep in mind that this range is an estimate, so there are always exceptions.

 Adorable Boxer dog walking in water on seashore. (Image Source: Canva)

How big should a 6-month-old Boxer be?

A 6-month-old male Boxer should weigh around 41 to 48 pounds, while a 6-month-old female Boxer will weigh about 39 to 44 pounds.

According to, puppies reach about 75% of their full height at six months of age. For a male Boxer puppy, this would be around 17 to 19 inches tall. 6-month-old Female Boxer puppies will be approximately 16 to 18 inches tall.

Pro Tip: Check out this downloadable new puppy checklist covering topics like vaccination schedules, setting up the home for a new puppy, teething, veterinary visits, and more!

How much bigger will my Boxer get?

There are several ways to estimate how much bigger your Boxer will grow.

If your Boxer is less than two years old, they are likely still growing. Some Boxers stop growing closer to 18 months, but many Boxers will continue to fill out in weight and body size until they are two years old.

Another possible way to estimate their size is to contact your Boxer’s breeder. Many breeders can give you a more accurate estimate based on previous litters and their parents’ exact height and weight. A puppy will rarely be larger than either parent, so this can give you a clearer idea of their maximum size.

Lastly, take a look at your Boxer’s paws. Do their paws look oversized compared to their legs and the rest of their body? This is a strong sign that your Boxer is still growing and filling out!

What is the size of a full-grown Boxer?

According to the American Kennel Club Official Boxer Standards, a full-grown male Boxer will stand around 23 to 25 inches tall, while a female Boxer will stand about 21.5 to 23.5 inches tall. A fully grown male Boxer will weigh around 60 to 70 pounds, with their female counterpart will weigh about 55 to 65 pounds.

Sad boxer laying on a brown couch looks into the distance. (Image Source: Pexels)

How do I make sure my Boxer is healthy?

As with many things, prevention is always better than treatment. Taking your Boxer to regular veterinary appointments is one of the best things you can do for their health, along with consistent love and care at home.

One of the best things you can do at home is brush your dog's teeth regularly to help prevent painful periodontal disease and avoid pricey dental treatments in the future. Periodontal disease can cause bad breath and oral pain for your pup and may require your Boxer to have a dental cleaning or tooth extractions under anesthesia at some point in their lives if not attended to at home.

Keeping your Boxer at a healthy weight is crucial for their longevity, overall health, and happiness. If your Boxer is overweight, talk to your veterinarian to develop a weight loss strategy so that you can get them back on track. Consult with your veterinarian about the ideal food and exercise for your Boxer.

Like all dogs, Boxers have certain conditions that they are prone to. Boxers are a purebred dog breed prone to heart problems, like cardiomyopathy, heart valve narrowing, and congenital heart defects. Boxers are also known to have more breathing issues due to their brachycephalic syndrome, which gives them their classic “squished nose” appearance, but also gives them shorter airways in their nose making it harder to breathe at times. Brachycephalic syndrome increases their risk of respiratory distress, allergies, heatstroke, and sinus problems.

While we as pet parents know our dogs well, your veterinarian is well trained and experienced in screening and monitoring your pup’s health and growth. Regular veterinarian appointments are crucial in finding and treating illness early to give your Boxer the healthiest and longest life possible.

Unfortunately, veterinary bills can be costly with many treatments for emergencies and illnesses, such as heart problems, being thousands of dollars to treat.

When surveyed, 49.7% of pet parents said they would be unable to cover a $5,000 vet bill, and another 30.86% of pet parents would need to find financing options to cover this expense. The financial safety net provided by pet insurance is why pet insurance is worth it for many pet parents. When the worst happens, whether that’s an accident, injury, or diagnosis, having peace of mind that you can financially handle the situation because the pet insurance you got when your Boxer puppy was young and healthy will cover up to 90% of the cost of their treatment, is the best gift you can give yourself and your dog.

Final Considerations

Your veterinarian is an excellent resource in determining your Boxer’s ideal weight and lifestyle. Consult with them today to assess your Boxer’s current health and what can be improved.

Keep in mind that even healthy behaviors, like exercise, can be overdone. Consult with your veterinarian about how much exercise is prudent. Medium to large-sized dogs that are still growing may suffer from joint damage if they are overexercised. Make a plan with your veterinarian today to provide your Boxer with the ideal amount of exercise to keep them lean, healthy, and happy.

Boxer puppies grow into strong and sturdy adults that make fun-loving, often silly companions, and fierce protectors. Give yourself peace of mind today when you pick from the top Boxer insurance providers using Pawlicy Advisor, a personalized pet insurance comparison tool created to find the best plan specific to your dog’s needs.

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Aliyah Diamond

Aliyah Diamond
Cornell University College of Veterinary Medicine

Aliyah Diamond has more than ten years of experience in animal hospitals - working with dozens of species from dogs and cats, to elephants and snow leopards. Her lifelong passion for helping animals currently has her earning her doctorate of veterinary medicine at Cornell University and helping Pawlicy Advisor educate pet parents.

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