When do beagles stop growing?

Beagles are a medium to small sized dog. A beagle will stop growing at around 18 months of age. This is the age when bones, ligaments, cartilage and tissues stop growing. It is important to mention that for a beagle to reach its complete, healthy, growth they must be fed and exercised in the correct way.

Key Takeaways:

  • Beagles typically stop growing around 18 months of age.
  • Proper nutrition and exercise are crucial for healthy growth.
  • Male and female beagles have different average sizes.
  • Regular check-ups and vaccinations play a role in a beagle’s overall health.
short coated brown and white puppy tied on dog leash while sitting on white bench

How can I keep my beagle healthy as they grow?

To keep your beagle healthy, as they grow, you must offer a balanced healthy diet and daily exercise.

A beagle will need between 674 and 922 calories per day. Depending on their size and gender this calorie intake will differ. This calorie intake will give your beagle enough protein, fat, calcium and carbohydrates. However, it is important to be giving a beagle the correct food. Kibble and canned foods are the widely picked options, as it is affordable as well as offering your dog what it needs.

A beagle will on average need 1 to 2 hours of exercise per day. However this figure heavily depends on their weight, age and health. For example, a puppy will need a different amount of exercise when compared to a 9 year old beagle. To reach this 1 to 2 hours of exercise it can take the form of many methods such as: walking, running, frisby, etc.

Vaccinations are also important in helping a beagle grow up healthy. Vaccines will help against heartworms, rabies, ticks and fleas. It is recommended that your beagle is vaccinated against canine parvovirus, canine infectious hepatitis, distemper, leptospirosis, kennel cough and rabies.

Beagle’s weight and height charts

Graph showing a beagles' weight
A graph showing a 13 inches and under beagle’s weight
A graph showing a beagle's weight
A graph showing a 13-15 inch beagles weight

Growth Patterns of Beagles

Beagles are a medium to small-sized dog. By around 18 months, a beagle will generally reach its full size. This is when bones, ligaments, cartilage, and tissues have completed their growth. However, reaching this milestone doesn’t just happen on its own. Proper care, nutrition, and exercise are pivotal.

Nutrition and Exercise

To ensure your beagle grows healthily, it’s essential to provide a balanced diet and regular exercise. A typical beagle requires between 674 and 922 calories daily. This intake varies based on size, gender, and activity level. While kibble and canned foods are popular choices, it’s crucial to ensure they receive the right nutrients.

Exercise is equally vital. On average, a beagle needs 1 to 2 hours of physical activity daily. This can include walking, running, playing fetch, or other interactive games. The exact amount of exercise will depend on their age, weight, and overall health.


Vaccinations play a crucial role in a beagle’s health. They protect against various diseases, including heartworms, rabies, ticks, and fleas. It’s recommended to vaccinate your beagle against canine parvovirus, canine infectious hepatitis, distemper, leptospirosis, kennel cough, and rabies.

Size Differences: Males vs. Females

Do male and female beagles differ in size? The answer is yes. On average, male beagles grow to about 13 inches or less and weigh just under 20 pounds. In contrast, female beagles typically reach around 12 inches in height and weigh approximately 18 pounds.

Beagle Growth Milestones

  • 2 weeks old: Weighs around 1 pound. Eyes are still closed, and teeth haven’t started developing.
  • 3 weeks old: Minimal growth. Start of hearing and vision development.
  • 4 weeks old: Begins to walk and becomes more active.
  • 6 weeks old: Weighs between 3.5 to 4 pounds.
  • 8 weeks old: Weighs between 3.5 to 6 pounds. Transition from mother’s milk to solid food begins.
  • 16 weeks old: Weighs between 8 to 12 pounds. Starts to control bowels and bladder.
  • 6 months old: Weighs between 10 to 15 pounds. Transition to adult food recommended.
  • 18 months old: Weighs between 18 to 24 pounds. Bones and tissues have stopped growing.

Tables with Relevant Facts

AgeWeight RangeNotable Milestones
2 weeks~1 poundEyes still closed, no teeth development
3 weeksMinimal growthStart of hearing and vision
4 weeksNot specifiedBegins to walk, more active
6 weeks3.5 to 4 lbs
8 weeks3.5 to 6 lbsTransition from mother’s milk begins
16 weeks8 to 12 lbsControls bowels and bladder
6 months10 to 15 lbsTransition to adult food
18 months18 to 24 lbsFull growth achieved
Table showing weight milestones

he Beagle’s Playful Nature and How to Care for Them

Beagles are one of the most popular dog breeds worldwide, and it’s easy to see why. Their energetic and playful nature makes them a favorite among families and individuals alike. However, owning a Beagle comes with its own set of responsibilities. Here are some insights and tips on how to care for your Beagle:

  1. Nutrition Matters: Just like humans, Beagles need the right nutrition to stay healthy and active. It’s essential to provide them with a balanced diet that meets their specific needs. If you’re unsure about what to feed your Beagle, Pet Know How has an article discussing the best dog food choices for Beagles in 2023.
  2. Understanding Their Behavior: Beagles are known for their friendly and loyal nature, but they also have unique behaviors that owners should be aware of.
  3. Health and Lifespan: On average, Beagles have a lifespan of 12-15 years. They are generally healthy dogs, but like all breeds, they can be susceptible to certain health issues. It’s crucial to be aware of these potential problems and know how to address them. Learn more about the lifespan of Beagles and the factors that can influence it.

How Big Will A Beagle Be at:

How big will a beagle be when 2 weeks old?

A beagle at 2 weeks old will on average be 1 pound. At this age the puppy has not yet opened their eyes and their teeth will not have begun developing.

How big will a beagle be when 3 weeks old?

At three weeks old your beagle will not have grown much, if not at all. Their hearing and vision will start to develop at this age.

How big will a beagle be when 4 weeks old?

At 4 weeks old a beagle will start to develop more rapidly. At this age they will start walking and being more active.

How big will a beagle be when 6 weeks old?

At 6 weeks old a beagle will weigh around 3.5 to 4 pounds.

How big will a beagle be at 8 weeks old?

A beagle at 8 weeks old will be around the mark of 3.5 to 6 pounds. This is the age where a beagle will start to need nutrition as they do not need their mothers milk. It is suggested that at this age they receive around 375 calories a day.

How big will a beagle be at 16 weeks old?

At this age your beagle will weigh around 8 to 12 pounds. A beagle will start to be able to control their bowels and bladder at this age. Although still a puppy, they should have some training at this point.

How big will a beagle be at 6 months old?

Growth will start to slow down at this point with them being around 10 to 15 pounds. It is important to trade out their puppy food at this age to help keep them at a healthy weight. Training should also continue at this age.

How big will a beagle be at 18 months old?

You should expect an 18 month old beagle to be around 18 to 24 pounds. At this age they are an adult and their bones, ligaments, cartilage and tissues have stopped growing.

Summary Of When Do Beagles Stop Growing?

In conclusion, Beagles are delightful companions that bring joy to many households. By understanding their needs and providing them with the right care, you can ensure that your Beagle lives a long, happy, and healthy life. For more insights and tips on pet care, be sure to check out other articles on Pet Know How.

Adam Docherty

Hi I'm Adam. At Pet Know How we aim to help you learn everything you need to about your pets.

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