Beagle Growth Chart and Development

Beagle Growth and Weight Chart: From Newborn to Senior!

Welcome to an in-depth exploration of the fascinating world of Beagle development! If you’re a proud Beagle owner or simply curious about these lovable and energetic dogs, you’ve come to the right place. In this article, we will unlock the secrets of Beagle development and take a closer look at their growth stages. 

From the adorable new puppy phase to the mature adult years, understanding the various stages of a Beagle’s life is essential for providing them with the proper care and support they need.  Join us on this journey as we delve into the physical and behavioral changes that occur throughout their development. 

Whether you’re a first-time Beagle parent or a seasoned pro, this guide will equip you with the knowledge to ensure a happy and healthy journey for your furry friend. So, let’s dive in and answer your questions about Beagle growth and development!

Understanding the Beagle Growth Stages

Beagles, like all dogs, go through different growth stages as they mature. Each stage is marked by distinct physical and behavioral changes. 

Understanding these stages will not only help you provide the best possible care for your Beagle but also deepen your bond with them. We explore these stages in detail below, but first an overview of the beloved Beagle breed.

Beagle Physical Characteristics Overview

We often get the question – How Big Do Beagles Get? So lets start there!

Beagles are small to medium-sized dogs, which have a typical healthy weight beginning at 20 pounds and up to 35+ pounds for larger beagles.  A beagle’s adult height is generally 13 to 16 inches tall at the shoulder.  

There are also smaller beagles, often referred to as pocket beagles or mini-beagles, that stand under 13 inches tall measured at the shoulder.

Female beagles tend to be slightly smaller in stature, ranging from 13″ to 15″ in height at the shoulder and typically weighing 20 to 30 pounds.  While a male beagle’s adult height is often 14 inches to 16 inches with an average weight of 25 to 35 pounds.  Of course, this all depends on the genetics and family history of your beagle’s parents and past generations.  

Beagles are a relatively healthy breed and typically a purebred beagle will have a life expectancy of 12 – 15 years of age – this is pretty typical for smaller breeds

Estimating Your Beagle Puppy's Adult Weight and Height

Use the calculations below for a fun estimate of how big your Beagle will be when they grow up!  Send us a message in the Zen Beagle Club if you have any questions about running the math!

Approximate Adult Height = 1.33 x (top of shoulder height at 6 months of age).  This means your full-grown Beagle will get about 33% taller than they are at the age of 6 months.

Approximate Adult Weight = 2.7 x (weight at 12 weeks of age).  That is, your full-grown Beagle will weigh approximately 2.7 times their weight when they are 3 months of age.

Join the Zen Beagle Club today and we’ll send you a FREE printable BEAGLE SIZE CHART!

Newborn Beagle Stage: Birth to 2 Weeks

newborn beagle growth chart

The newborn stage is a critical period for Beagle puppies as they transition from their mother’s womb to the outside world. During this stage, the puppies are completely blind and fully dependent upon their mother for nourishment and care. They spend most of their time sleeping and nursing, gradually gaining weight and strength. 

It’s essential to provide a warm and quiet environment for the mother and her puppies during this time, as they are vulnerable to external stimuli. By the second week, their eyes and ears will start opening, and they’ll start to explore their surroundings. 

During this very early age is when their personalities begin to emerge, giving you a glimpse into their future temperament and behavior.

Puppy Stage: 2 Weeks to 8 Weeks

The puppy stage is undoubtedly the most adorable phase of a Beagle’s growth. At around two weeks old, the puppies will start to become more active and curious about the world around them. They’ll begin to walk, play, and interact with their littermates, learning important social and communication skills. 

It’s crucial to provide a safe and stimulating environment for the puppies, with plenty of toys and opportunities for exploration. This stage is also the ideal time to introduce them to gentle handling and basic obedience training.  

It is during this stage that Beagle puppies will be weaned off of their mother’s milk and introduced to puppy food.  As the puppies approach eight weeks, this is the right time to transition them to their new homes and start their journey with their forever families.  

Socialization Stage: 8 Weeks to 16 Weeks

The socialization stage is a crucial period in a Beagle’s development. By 2 to 3 months of age, they should be encouraged to interact with humans, other pets, and their environment. It’s essential to expose your Beagle puppy to a variety of people, other dogs, places, and situations to ensure they grow up to be well-adjusted and confident adults. 

Introduce them to different sounds, sights, and experiences gradually, and always provide positive reinforcement and rewards for good behavior. 

This stage is also a great time to enroll your Beagle in puppy classes, where they can learn basic obedience commands and interact with other puppies. By providing proper socialization during this stage, you’ll be setting your Beagle up for a lifetime of positive social interactions.

Related:  Are Beagles Good With Babies?

Adolescence Stage: 4 Months to 1 Year

The adolescence stage is characterized by a rapid growth rate and hormonal changes. Beagle puppies will experience a surge in energy and may exhibit more challenging behaviors such as chewing, digging, and testing boundaries. Before their first birthday it’s crucial to provide consistent training and guidance to establish rules and boundaries. 

Positive reinforcement techniques, such as clicker training and reward-based methods, work best with Beagles. Regular exercise and mental stimulation are essential during this stage to channel their energy and prevent destructive behaviors. Patience and consistency are key as your Beagle navigates through this sometimes challenging but exciting stage of development.

Young Adult Stage: 1 Year to 2 Years

beagle growth and development

The young adult stage is when Beagles start to transition from puppies to fully grown adult beagles. They will have reached their full height and adult weight, but their behavior and personality will definitely continue to evolve. This is the stage where you’ll see the true characteristics of your Beagle shine through. 

Some Beagles may become more independent, while others may remain playful and energetic. It’s crucial to continue providing regular exercise, mental stimulation, and socialization opportunities to keep them happy and fulfilled. Male Beagles and Female Beagles will develop different personalities and tendencies, many of which will become noticeable at this age.

This stage is also an excellent time to engage in advanced training and activities such as agility or scent work, as Beagles excel in these areas.

Adult Dog Stage: 2 Years to 8 Years

adult beagle growth

Once your Beagle reaches the adult stage, they will have settled into their adult personality, behaviors, and full adult size. They will become calmer and more predictable, but it’s important to continue meeting their physical and mental needs. 

Regular exercise, a well-balanced diet, and annual veterinary check-ups are essential to maintain their ideal weight and ensure their overall health and well-being. 

As your full-grown Beagle ages, you may need to adjust their diet and exercise routine to accommodate their changing metabolism and energy levels. It’s also crucial to monitor their weight to prevent obesity, as Beagles are known to overeat if given the opportunity.

By the age of 2 to 3 years your Beagle will begin to noticeably calm down, don’t worry it goes quicker than you think!  Get all the details here:  When Do Beagles Calm Down?

Senior Beagle Stage: 8 Years and Beyond

senior beagle growth chart

As Beagles age, their once energetic and playful demeanor may mellow, but their loyalty and affection remain unwavering. 

Senior beagles often display a calm and gentle nature, appreciating the comfort of a cozy bed and the warmth of human companionship. Senior Beagles physical activity will diminish while their sleeping hours will increase.  

It’s as important as ever to maintain a regular walking or exercise routine to control unnecessary weight gain and prevent joint and other health issues from arising.  

These wise Beagles deserve extra care, attention, and understanding as they navigate the challenges that come with aging, and in return, they provide endless companionship and devotion.

Join the Zen Beagle Club today and we’ll send you a FREE printable BEAGLE SIZE CHART!

Important Considerations for Beagle Growth and Development

Understanding the growth rate and stages of Beagles is just the beginning. There are several important considerations to keep in mind to ensure the optimal development and well-being of your furry family member.

Proper nutrition plays a vital role in a Beagle’s growth and development. It’s important to provide them with a well balanced and high-quality diet that meets their specific nutritional needs at each stage of their life. Consult with your veterinarian if you need help determining the best dog food for your Beagle during various life stages.

Regular exercise is crucial for a Beagle’s physical and mental health. Beagles are an active breed that requires plenty of exercise to prevent obesity and boredom. Daily walks, playtime, and interactive toys are essential for their well-being.  30-60 minutes of exercise per day is recommended, but this may vary depending on age – senior Beagles and very young puppies should get less exercise.

Mental stimulation is just as important as physical exercise for Beagles. They are intelligent dogs that thrive on both socialization and mental challenges. Engage them in puzzle toys, obedience training, and scent games to keep their minds sharp and prevent behavioral issues.

Regular veterinary check-ups and vaccinations are essential for maintaining your Beagle’s health and discovering any underlying health problems. Your veterinarian will monitor their growth, administer vaccinations, and address any health concerns that may arise.

Tips for Nurturing a Beagle through its Growth Stages

Nurturing a Beagle through its growth stages requires patience, consistency, and love. Here are some tips to help you provide the best care for your furry friend:

Create a safe and comfortable environment for your Beagle at each stage of their development.

Provide age-appropriate toys and activities to keep them mentally and physically stimulated.

Socialize your Beagle early on to ensure they grow up to be well-adjusted and friendly dogs to both other animals and humans.

Establish a consistent routine for feeding, exercise, and training to provide structure and guidance.  This will be beneficial to both the owner and the pup.

Use positive reinforcement training methods to teach your Beagle good behavior and reinforce desired actions.

Seek professional help if you encounter any behavioral or training challenges that you’re unsure how to handle.

Common Challenges and How to Overcome Them

Every Beagle owner may encounter unique challenges during their Beagle’s growth stages. Here are some common challenges and tips to overcome them:

House training: Beagles are a stubborn dog breed and may take longer to housetrain compared to other breeds. Consistency, patience, and positive reinforcement are key to successful housetraining.

Separation Anxiety: Beagles are social dogs and may experience separation anxiety when left alone. Gradually introduce them to alone time and provide them with interactive toys to keep them occupied.  Check out our article on separation anxiety for a thorough understanding and tips to combat it.

Excessive Barking: Beagles are known for their vocal nature. Proper training and mental stimulation can help manage excessive barking.

Digging: Beagles have a strong instinct to dig. Provide them with a designated digging area and redirect their digging behavior to that spot.

Chewing: Beagles, especially puppies as they are teething, have a natural urge to chew. Provide them with appropriate chew toys to redirect their chewing behavior.


Congratulations! You’ve successfully unlocked the secrets of Beagle development. By understanding the growth stages of Beagles and providing them with the care they need, you can ensure a happy and healthy journey for your furry friend. 

Remember to provide them with a safe and stimulating environment, balanced nutrition, regular exercise, and plenty of love and attention. With your guidance and support, your Beagle will grow into a well-rounded and cherished family companion. 

Enjoy every moment of this incredible journey with your Beagle by your side!

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