When is a beagle full grown?

Beagles are a highly sought after breed of dog. They are usually on the small side, but I wondered when they actually stop growing. Here’s what I learned about the average growth rate of this breed.

They are fully grown around the age of 1.5 to 2 years.

The first year they mainly grow in height, the last six months he only becomes slightly wider and more muscular / fatter.

At what age do they stop growing? Beagles stop growing after about 18 months. At this age, their skeletal system will be fully developed and remain stable. An adult male Beagle will be about 36 – 41 cm tall and weigh 10 to 11 kilograms, while a female will be about 33 – 38 cm tall and weigh 9 to 10 kilograms.

This is just the beginning of your Beagles growth. If you are interested in the age at which your beagle should meet certain milestones and what to look for as your puppy grows, read on.

Available beagle puppies

Information about the beagle

Adult beagle

Growth milestones by age

Beagles are similar to humans in the way they reach growth milestones based on age. To ensure that your dog is growing and developing properly, you can follow this chart to ensure that your Beagle is healthy. If you’re concerned that your dog may fall behind, take him to their vet to make sure you can stop the worry before they become a problem.

0-2 weeks0.5 kgstanding
3 weeks0.5 – 1 kgOpen eyes, develop hearing, make sounds
4 weeks0.9 – 1.2 kgDevelop socialization skills, barking
6-7 weeks1 – 1.4 kgRespond by name, from breast milk
8 weeks1.5 – 2.8 kgRespond to simple commands and names
16 weeks3.5 – 5.5 kgPotty-trained
6 months4.5 – 6.8 kgTransitioning from puppy food to dog food
1,5 years9 – 11 kgfully grown

map information from BeaglePro

Birth to two weeks old

When Beagles are firstborn, they keep their eyes closed, so they can’t see anything. They will also not have baby teeth. They should start standing and at least trying to walk when they are two weeks old. They should weigh about 0.5 kilograms.

Three weeks old

At three weeks old, your Beagle should open their eyes, their vision should become clearer, and they will become more alert. They will also develop their hearing and become more curious. They will venture a bit away from their mother. They may also begin to howl and make noises. They should be about 0.5 to 1 kilogram.

Four weeks old

By four weeks old, your Beagle puppy should become more vocal and playful with his littermates and people. They begin to learn important socialization skills, such as the difference between biting and playing biting. They should start weaning their mother’s milk by getting puppy food in addition to the milk. They also need to be exposed to more human contact, so they can get used to being handled by humans. They should be about 0.9 to 1.2 kilograms.

Six to seven weeks old

When you are six to seven weeks old, your Beagle will become much more curious. They will be used to being around people and regular household noises, which will make them braver (be sure to puppy proof the house). They should respond to their name and be more aware. They should also have almost no breast milk at all. They should weigh about 1 to 1.4 kilograms.

Eight weeks old

By eight weeks old, the Beagle should stop relying on his mother and should respond to his name and simple commands. By eight weeks old, your pooch will be ready for training and eating puppy food on a regular basis. They should weigh about 1.5 to 2.8 kilograms.

Sixteen weeks old

At sixteen weeks old, your Beagle should be able to understand and execute basic commands and respond to their name. They should be potty-trained as well. They should weigh 3.5 to 5.5.

Six months old

At six months old, your Beagle should be switched from puppy food to dog food. Puppy food is high in calories to help your fast-growing puppy get the nutrition he needs, but once he’s six months old, their growth will start to slow down, and they’ll be at risk of becoming overweight if not switched. It may take a few weeks for them to completely switch to dog food. They should weigh about 4.5 to 6.8 kilograms.

One and a half years old (18 months)

At 18 months, your Beagle should be fully grown and trained. As Beagle Pro says about it: The adult skeleton is now fully formed and the weight will also remain stable. The dog is well-trained, socialized and can (and wants to) exercise at least twice a day. It is recommended to offer an even walk of 1 mile and the 2nd dose of cardio exercise. They should weigh about 9 to 11 kilograms.

When are they fully grown?

Beagle teenager

Beagles are considered small dogs and do not grow very large, so it can be difficult to know when they are done growing. There are a few things you can look for to determine whether they are done growing or not.

The first and most telling sign for a full-grown Beagle is their age.

Beagles usually stop growing after 18 months or 1.5 years. At this age, their skeletal system is fully developed and will normally remain stable and stop growing.

If you’ve adopted or rescued your dog and aren’t sure how old they are, there are other signs that will help you figure out if your Beagle is fully grown or not.

A sign is their height and weight. Adult Beagles will measure anywhere from 33 to 40 centimeters and should weigh between 9 and 11 kilograms. This will change depending on whether your dog is male or female.

Males will typically be larger than females, ranging from 35 to 40 centimeters tall and weigh 10 to 11 kilograms, while females at the lower end of the scale will range from 33 to 38 centimeters tall and weigh 9 to 10 kilograms.

Making sure your Beagle’s growth is healthy

To ensure your dog’s growth is healthy, keep an eye on their growth and keep track of milestones to make sure they are developing as they should.

Not every Beagle grows the same, so it’s okay if they hit their milestones a little early or a little late. If they have developmental delays, it is best to take them to a vet as something may be wrong.

Be careful not to over or underfeed your Beagle especially while they are still growing as a good diet will help them grow and develop properly.

If you are concerned, or think something is wrong or not, go to the vet. It’s better to be safe than sorry, especially when it comes to your pet.

Be careful of people trying to sell “Pocket Beagles”. These are beagles that were bred to be essentially miniature ones, but there are no modern Pocket Beagles. These are simply Beagles that have been poorly or incorrectly bred and have many health problems and stunted growth.

How big does this breed get?

A beagle is an average, compact dog. It can grow up to 40 cm high at the withers. This is about 50-55 cm total height. The length of the body is on average 50-65 cm. The width depends on how fat the beagle is, but on average between 25 and 30 cm.

How much do they weigh?

The weight depends on a few factors. How much he eats and moves, but also the size. On average, you can expect 12 to 15 kg. But a large beagle that has been fed mud can weigh more than 20 kg.

Related Questions:

How Long Do they live? If kept in good health, they can live to be between 12 and 15 years old. This is the average life span of a dog of their size, they are prone to a variety of medical conditions, but these can be controlled with medication.

Are Beagles Hyper Dogs? They are very high-energy dogs. They need a lot of exercise and attention to stay calm. If they don’t get enough exercise and are kept in a room that isn’t big enough to burn off their energy, they will tend to become hyper.


Below are the emails from our customers with their Beagle.

beagle : Nala

We now also have a 5 month old baby who Nala absolutely adores ♥️

Beagle : Bella Happy Birthday 1 year old-


Sent from Yahoo Mail on Android

Samba - Beagle


Voici notre petite samba qui a bien grandit.

Elle est heureuse parmi nous.😍

Bon dimanche 

Jules - Beagle

Zoals je ziet ben ik al flink gegroeid en zit ik vol fratsen xxx

Beagle - millie
Hierbij ter info een paar foto’s van Millie. De pup die nu bijna 2 weken bij ons is. Ze doet het heel goed. Ze is een flinke, ondeugende, speelse en lieve hond. Groeten vanwege de familie Caes uit Aarschot

Barry - Beagle

Ben al  groot aan worden 🐾

Grtjs Jean en Gerda 


Beagle: Waldo 1 jaar

Beste Marleen,


Bedankt voor uw berichtje. 

Hierbij enkele foto’s van Waldo.




Luc, Lieve en Waldo 



Gatsby x Linda

Beagle - Willow

Onderwerp: Re: Happy Birthday


Dank u 🙂 


Beagle : Bobien, 1 jaar

Hierbij foto van ons jarig beagle bobien. Bij julkie aangekocht.

ze stelt  het hier heel goed.


Laad meer


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