Beagle Growth and Weight Chart (Male & Female)

Last Updated on April 19, 2023

Beagle Growth Chart Guide

Beagles are a small dog breed with a lifespan of 12 to 15 years. These little doggies are pure bundles of joy as they are playful, affectionate, and intelligent.

They can be quite independent and have amazing personalities. They are very curious and fun-loving, with an energetic nature and a muscular build. 

But just how big will your Beagle get? In this article, we will take a closer look at the different sizes of this breed, the growth and development of your puppy, and what to do if your Beagle is over or underweight.

Overview: A Few Fun Facts About the Beagle

The Beagle breed is part of the Hound group and was originally bred in England to hunt hares and rabbits. They have an excellent sense of smell which makes them ideal hunting dogs.

Thanks to their long, floppy ears that help them to concentrate and funnel scents towards their noses. 

Beagles are currently the third most popular dog breed. Because of their friendly nature and small size, they make great companion pets for families with children.

But as they have a strong prey drive due to their ancestor hunting instincts, they may cause trouble with other smaller pets. 

Generally, Beagles are naturally high-vocal dogs. They are known for their distinctively melodic howls and barks which can be bothersome if you live in close quarters with your neighbors.

However, well-trained and socialized Beagles can be pure joy and wonderful companions for a long time, as they have a long life expectancy.

Beagle Sizes: Pocket, 13-Inch and 15-inch

The Different Beagle Sizes
Photo Credit: @beagle.unity / IG

The different Beagle varieties are Pocket Beagles which are the smallest and have an average weight of about 7 to 15 pounds (3.2 to 6.8kg) and stand 7 to 12 inches (17.7 to 30.4 cm) tall

Then there are the small Beagles, known as 13-inch Beagles, that stand between 11 and 13 inches (28 and 40.6 cm) tall and weigh between 15 and 20 pounds (6.8 and 9 kg)

Finally, the large Beagles, also known as the 15-inch Beagles, weigh about 20 to 30 pounds (9 to 13.6kg).

The Ultimate Beagle Puppy Growth & Weight Chart

Take a look at the below Beagle growth chart to check the weight and height of your dog.

Watching and comparing their measurements according to their age will give you peace of mind that your pet is on the right track.

Small 13-inch Beagle Puppy Growth (lb & kg)

Small 13-inch Beagle dog
Photo Credit: @pippi.beagle / IG

The sizes of both male and female Beagles are more or less similar. Although the two genders are almost equal in height and look, the males could weigh a little more than their female counterparts.

There is, however, a difference between the two Beagle sizes. Here is a growth chart for the small 13-inch Beagle.

Age 13-inch Beagle 
Average Weight
1 month 2 to 3 pounds 
(0.9 to 1.3 kg)
2 months 3 to 5 pounds 
(1.3 to 2.2 kg)
3 months  7 to 10 pounds 
(3.1 to 4.5 kg)
4 months 8 to 11 pounds 
(3.6 to 4.9 kg)
5 months 9 to 12 pounds 
(4 to 5.4 kg)
6 months 12 to 17 pounds 
(5.4 to 7.7 kg)
8 months 16 to 20 pounds 
(7.2 to 9 kg)
12 months 16 to 20 pounds 
(7.2 to 9 kg)

Medium 15-inch Beagle Puppy Growth chart (lb & kg)

A 15-inch Beagle dog on the garden
Photo Credit: @canackk / IG

The medium or large Beagle puppy is also known as the 15-inch Beagle. As the name suggests, these dogs are bigger than the small Beagles, although they are still not particularly large dogs.

Age  15-inch Beagle 
Average Weight
1 month 3 to 4 pounds 
(1.3 to 1.8 kg)
2 months 4 to 7 pounds 
(1.8 to 3.1 kg)
3 months  8 to 11 pounds 
(3.6 to 4.9 kg)
4 months 9 to 12 pounds 
(4 to 5.4 kg)
5 months 10 to 13 pounds 
(3.1 to 5.8 kg)
6 months 14 to 18 pounds 
(6.3 to 8.1 kg)
8 months 18 to 22 pounds 
(8.1 to 9.9 kg)
12 months 20 to 30 pounds 
(9 to 13.6 kg)

Beagle Puppy Growth and Development with Pictures

By using a weight chart, you can safely manage the growth of your Beagle. You should know their size when they stop growing.

Even though all dogs develop differently, ensuring they are growing normally and not overweight is the most important thing to know.

0- to 4-week-old

A newborn Beagle puppies
Source: @idahobeagles / IG

A Beagle bitch carries her pups for nine weeks before giving birth. The puppies’ eyes and ears remain closed, and they must stay very close to their moms to absorb their body heat in the first few days.

They grow so fast that by the end of the first week, they will have doubled in weight. 

They start opening their eyes by the second week. By the third week, their eyesight will have increased, and they will try to stand up and walk a few steps.

Now, they will start socializing with their littermates and mother. At this time, they only weigh between 1.5 and 2 pounds (0.7 and 0.9 kg).

4-week-old (1-month-old)

A 1-month-old Beagle dog
Source: @cherriethebeagle / IG

During this time, your little puppy will start walking and even running clumsily. They wine and start biting. Their true personality starts to emerge. They are vocal and curious.

Beagles also start socializing with humans, which you can do by touching their paws and holding them tenderly and gently. 

Weaning will also start now. Other than their mother’s milk, soft food can be introduced to his diet. At four weeks of age, they may weigh 2 to 3 pounds (0.9 to 1.4 kg) 

8-week-old (2-month-old)

A Beagle dog at 8 weeks old
Source: @bowie.thebeaglexo / IG

During the first eight weeks, the Beagle puppy is taught basic doggy skills by its mother and littermates.

Biting and nipping is the thing to do now for the puppy, but being with its mom will make him realize that it is not the correct way to interact.

Curiosity makes them explore more, and they begin to wander further from the litter box. 

Their food consists of a mush of puppy food and milk as weaning is almost done now. The pup starts to respond to its name and responds to different noises. Playtime with their human family spells fun, and they love the connection. 

At eight weeks, he is at the correct age for it to be taken away from his mother and for a new owner to take it to his new family. An eight-week-old Beagle pup will weigh about 4 to 8 pounds (1.8 to 3.6 kg).

12-week-old (3-month-old)

A 12-week-old Beagle dog
Source: @lucky_thebeagle2021 / IG

At 12 weeks old, a Beagle puppy understands most of its new environment, like where the food and water dishes are. They are transitioning from being puppies to being young dogs.

They start to realize what is safe and unsafe, and they start to be more confident and act more independently. 

They know their name well now and will begin to get used to the house-training rules. They will also respond to simple commands.

General training can easily start, as they are very intelligent. Biting hands should be discouraged, and instead, give them more toys to play with. 

They should also have their third de-worming treatment now. The male Beagles weigh 7 to 11 pounds (3.2 to 5 kg) and stand 8 to 11 inches (20.3 to 28 cm) tall.

Females weigh 6.5 to 10 pounds (3 to 4.5 kg), while their height is about 7 to 10 inches (17.7 to 25.4 cm)

16-week-old (4-month-old)

A 4-month-old Beagle dog
Source: @leagiraudm / IG

4-month-old male Beagles weigh 8 to 12 pounds (3.6 to 5.4 kg) while measuring 8 to 11 inches (20.3 to 28 cm) tall. Females will weigh 7 to 11 pounds (3.2 to 5 kg) and are 7 to 11 inches (17.7 to 28 cm) tall. 

Training must continue as your puppy becomes more energetic and playful. Taking your dog on short walks and teaching him tricks and more basic commands can be the things to do now.

20-week-old (5-month-old)

A 5-month-old Beagle dog at the dog park
Source: @rona_sweet_beagle / IG

The weight of the Beagle pups by five months old would be 11 to 22 pounds (5 to 10 kg).

It’s important to feed him healthy, high-quality puppy food to ensure that it develops and grows correctly according to its standard weight and height chart.


A 6-month-old Beagle dog at seashore
Source: @jessie__beagle / IG

From 6 months old, Beagles will show a slower weight gain, as well as fewer growth spurts. It’s recommended that they switch from puppy food to high-quality dog food that is specially formulated for small-breed dogs.

This will contain fewer calories to make sure that they don’t gain too much weight. 

Be sure to gradually change your dog’s food to get used to the new food. The last de-worming also has to be done at this stage. 

Your Beagle will weigh about 10 to 16 pounds (4.5 to 7.3 kg), and he will measure between 8 and 12 inches (20.3 and 30.5 cm) tall. At this time, a female pup’s first heat might occur as sexual maturity for both males and females occurs.


A 1-year-old Beagle dog
Source: @jaco.thebeagle / IG

A 1-year-old Beagle now becomes an adult dog. According to the Beagle Weight Chart, his weight might be between 26 and 39 pounds (11.8 and 17.7 kg).

Your puppy should be a well-adjusted member of your household by now and also adequately trained. 

Its skeleton is reaching maturity, although some plates won’t be closed yet. Its weight gain has slowed down, and the dog is filling out.

Things You Should Know About Your Beagle’s Growth

Side view of Beagle dog

The size of a Beagle determines its growth, height, and weight. There are also different maturity milestones for dogs. 

First comes the newborn stage, then the first eight weeks when they are still with their mommy, then the young puppy stage from eight weeks to six months when they are adjusting to their new home, then from 6 months to 1 year, we have the maturing puppy. 

Most Beagle puppies grow rapidly until 12 months and then slow down considerably. Their growth plates will only be fully closed at the age of 18 months.

By 18 months, he is considered a young adult. From 3 to 9 years, they are fully adults and reasonably calm. They are considered seniors between 9 and 10 years old. 

A Beagle’s final size is determined greatly by genetics, while nutrition, exercise, and health all play a role.

How do I make sure my pup is healthy?

To determine the weight of a Beagle, one can use this formula: Weight at 14 weeks x 2.5 = approximate adult weight. 

Using your bathroom scale, you can determine your dog’s weight. Step onto it and record the number. Take your Beagle in your arms, and stepping onto the scale, take the number again.

Finally, you have to subtract your weight from that of you with the dog to get the accurate weight for your pup.

When looking at your Beagle from above, the inclination in its waist should be seen. Right around the waist, his body should go thinner.

Although the ribs should not be sticking out, you should be able to feel its ribs easily with your fingers. Because of their barrel-shaped chest, Beagles appear stouter than they are.

Health issues that can influence your puppy’s growth

There are a few health issues that can influence a Beagle puppy’s growth. Spaying or neutering too early might influence his growth badly, for it can affect the growth plates that are not closed and cause bone defects. They can grow larger and taller than the standard measurements. 

Cute Beagle puppy at 5 weeks old
A cute Beagle puppy at 5 weeks old

For this breed, spaying or neutering is recommended to be done between the ages of six and nine months. The wise thing to do in this situation is to consult your vet to find the exact time to spay or neuter your dog.

Intestinal parasites or worms could also affect a puppy’s growth while weight gain can be caused by health conditions like hypothyroidism and hyperadrenocorticism.

Beagles should be fed the right quality and quantity of food at the right frequency to ensure healthy growth. They should also have a well-balanced diet to develop and grow appropriately. 

Due to their energetic nature, they need enough exercise to have a positive effect on their growth.

How to help Beagles lose or gain weight?

Beagles are very prone to become overweight, which can lead to health problems. So, to help them, you have to be vigilant and check what they eat. Don’t leave food lying where they can find it. 

If your dog is overweight, you can try and help him lose weight by making his food supply smaller than usual. Rather give him carrots, green beans, or peas as alternatives to regular dog treats.

Fruit can also be of great benefit as an alternative to other store-bought dog treats, for it contains fewer calories. 

Dividing your dog’s meals into smaller portions might be an excellent way to help him lose weight. Some more exercise for your dog should also be added to your usual routine.

It will also be a good idea to take him to the vet, as there might be underlying health conditions to be acted on. 

If your Beagle is underweight, it’s recommended that you visit the vet with your pup to test for underlying medical conditions.

You can begin by offering him more frequent meals and changing the feeding schedule. Perhaps, you can find different treats that will appeal to him. 

Adding pumpkin or sweet potato to his diet can boost fat and fiber. More protein like real meat and even some fat can also be added to his daily food intake.

Wet or fresh foods might be more beneficial and perhaps also preferable to your pup. 

Also, make sure that he is not competing with other pets to eat. Rather allow it to eat alone to ensure that he is fed sufficiently. This will also help reduce stress.

Dangers of stunted or accelerated growth

A Beagle dog sitting and looking sad

Most of the causes of stunted growth in a Beagle can be cured. Some of the damage can’t be undone, but good nutrition will be very beneficial. Parasites and intestinal worms can be treated by a vet. 

Dangers of stunted growth are a dull-looking coat, poor body condition, horrendous eating without gaining weight, an out-of-proportion big belly, impaired development, brain damage, and in extreme cases, without any treatment, death can occur. 

Accelerated growth, on the other side, can cause skeletal deformities, obesity, shortened life expectancy, heart problems, and painful joints, muscle wasting, hip dysplasia, and difficulty in walking.

When do Beagles stop growing?

A Beagle is fully matured and fully grown by 18 months. This is the time when all the plates are closed, and they don’t grow anymore.

The optimal weight for males is 22 to 24 pounds (10 to 11 kg) and 20 and 22 pounds (9 and 10 kg) for females.

Conclusion: How Big Will My Beagle Get?

How big your pup will get depends on your type of Beagle. According to the AKC, there are two Beagle breeds, a larger and smaller size.

Pocket Beagles also exist, although there is some debate as to if these Beagles are purebred as they are not recognized by the AKC.

No matter which size you choose, you are guaranteed a playful, energetic dog full of personality. These dogs are also exceptionally intelligent with a perfect sense of smell. 

During your dog’s growth and development, you’ll need to feed him good quality dog food, provide him with sufficient exercise and take him for regular vet checkups to ensure he grows appropriately.

Do you have a Beagle at home? How big is your dog? We would love to learn all about your dog in the comments below.

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