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Male & Female Cavalier Weights & Heights by Age

Written by: Arlene D.
| Published on August 11, 2023

Cavalier King Charles Spaniels, renowned for their sweet disposition and soulful eyes, are among the most cherished companion dogs worldwide. As prospective or new puppy parents to this breed, understanding their growth trajectory is paramount. This article delves into the average weights and heights of Cavalier puppies, providing a comprehensive guide for owners to monitor their furry friend’s development. From the tender age of a newborn to the robustness of adulthood, we’ve mapped out the expected milestones to ensure your Cavalier grows into a healthy and hearty adult. Dive in and discover the fascinating journey of your pup’s growth.

Male Cavalier Weights & Heights by Age

The following chart contains the average weights and heights of a male Cavalier from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Cavalier’s growth.

Age Weight (pounds) Weight (kg) Height (inches) Height (cm)
0-1 month 1.5-3 0.7-1.4 2-4 5-10
2 months 5-7 2.3-3.2 5-7 13-18
3 months 7-10 3.2-4.5 7-9 18-23
4 months 10-12 4.5-5.4 8-10 20-25
5 months 12-14 5.4-6.4 9-11 23-28
6 months 13-16 5.9-7.3 10-12 25-30
7-12 months 14-18 6.4-8.2 11-13 28-33
2 years 16-20 7.3-9.1 11.5-13.5 29-34
3 years 16-20 7.3-9.1 11.5-13.5 29-34


Female Cavalier Weights & Heights by Age

The following chart contains the average weights and heights of a female Cavalier from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Cavalier’s growth.

Age Weight (pounds) Weight (kg) Height (inches) Height (cm)
0-1 month 1.5-2.5 0.7-1.1 2-4 5-10
2 months 4.5-6.5 2-3 4.5-6.5 11-17
3 months 6.5-9 3-4.1 6.5-8.5 17-22
4 months 8-11 3.6-5 7.5-9.5 19-24
5 months 10-13 4.5-5.9 8.5-10.5 22-27
6 months 11-15 5-6.8 9-11 23-28
7-12 months 12-17 5.4-7.7 10-12 25-30
2 years 14-18 6.4-8.2 10.5-12.5 27-32
3 years 14-18 6.4-8.2 10.5-12.5 27-32

These tables are based on general guidelines and can vary greatly depending on individual dogs. Always consult with a veterinarian or professional breeder for more specific information about your pet’s growth and development.

FAQs about a Cavalier Puppy’s Growth and Development

1. How big will my Cavalier puppy get when fully grown?

Cavalier King Charles Spaniels generally weigh between 13 to 18 pounds when mature, with a height ranging from 12 to 13 inches at the shoulder. The exact size can vary based on genetics and overall health.

2. At what age is a Cavalier considered fully grown?

Most Cavaliers reach their adult height by 12 months but can continue to fill out, gaining weight until they’re about 18 months old.

3. How often should I feed my Cavalier puppy?

Cavalier puppies under six months should be fed three times daily. After six months, you can transition to two meals a day. Ensure the food is specifically designed for puppies and follow portion guidelines.

4. What signs indicate that my puppy is overweight?

An overweight Cavalier will lack a visible waistline and, when touched, the ribs will be difficult to feel under a layer of fat. Maintaining a healthy weight is vital for their overall health and longevity.

5. When will my Cavalier puppy start teething?

Cavalier puppies usually start teething between 12 to 16 weeks old. You may notice more chewing behavior during this period. Providing appropriate chew toys can alleviate discomfort.

6. How long does the teething phase last?

The teething phase in Cavaliers generally lasts until they’re around six to seven months old, by which they should have all their adult teeth.

7. Can I start training my Cavalier puppy right away?

Yes, you can begin basic training as soon as you bring your Cavalier home. Early training with positive reinforcement methods can help instill good behaviors from a young age.

8. How much exercise does my growing Cavalier need?

While they’re growing, Cavaliers should have controlled, gentle exercise. Short, multiple daily walks combined with playtime are ideal to prevent stress on their developing joints.

9. Are Cavaliers prone to any specific growth-related health issues?

Yes, Cavaliers can be prone to certain hereditary conditions like hip dysplasia and certain heart conditions. Regular vet check-ups are essential for early detection and management.

10. When should I switch my Cavalier from puppy food to adult food?

Usually, transitioning from puppy to adult food happens around 9 to 12 months of age, but always consult with your veterinarian for individual recommendations.

11. How can I ensure that my Cavalier’s bones grow strong?

Provide a well-balanced diet, avoid over-exercising, and ensure they don’t jump from heights or engage in high-impact activities while they’re still growing.

12. My Cavalier seems taller/shorter than usual. Should I be concerned?

Individual growth can vary, but if there are sudden changes or if they seem out of proportion, consult your veterinarian for insights into potential health issues.

13. How long should my Cavalier puppy sleep each day?

Puppies, in general, sleep a lot, often up to 18-20 hours a day. This is essential for their growth and development.

14. At what age will my Cavalier’s coat reach its full length?

While they start developing their adult coat around 3-4 months, it might not reach its full lushness until they are about 18-24 months old.

15. My Cavalier’s appetite fluctuates as they grow. Is this normal?

It’s common for puppies to have fluctuating appetites as they go through growth spurts. However, any prolonged loss of appetite warrants a vet consultation.

16. How do I know if my puppy’s growth is on track?

Regular vet check-ups, monitoring weight, and height, and comparing to breed-specific growth charts can help determine if your Cavalier’s growth is on track.

17. Are growth supplements necessary for my Cavalier?

In most cases, a balanced puppy food will provide all the nutrients a growing Cavalier needs. Before introducing any supplements, always consult with your vet.

18. Will neutering or spaying affect my Cavalier’s growth?

There’s some debate about this, but recent studies suggest that early neutering/spaying can influence growth. It’s best to discuss the timing with your veterinarian.

19. My Cavalier seems to have sudden energy bursts. Is this typical of their growth stage?

Yes, many puppies, including Cavaliers, have short, sudden bursts of energy known as “zoomies.” It’s a normal part of puppy behavior but ensure they’re in a safe environment during these bursts.

20. Can my Cavalier’s growth be affected by other dogs in the household?

While interaction with other dogs won’t directly impact physical growth, it can influence behavioral development. Positive interactions with other pets can be beneficial, but always supervise to ensure safety.

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