The Cavalier King Charles Spaniel, a small breed esteemed for its affable disposition and graceful appearance, exhibits distinctive variations in weight and height. Typically, adult Cavaliers weigh between 13 to 18 pounds, gracefully balancing their petite stature. In terms of height, they generally stand about 12 to 13 inches at the shoulder, making them ideal lap dogs. This breed’s proportions contribute significantly to its agility and elegance, features that complement its role as both a companion and an occasional participant in dog sports. The Cavalier’s size also makes it a suitable pet for various living environments, from apartments to spacious homes.
Male Cavalier King Charles Spaniel Weights & Heights by Age
The following chart contains the average weights and heights of male Cavalier King Charles Spaniel 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 King Charles Spaniel’s growth.
Age (Months/Years)
Average Weight (lbs)
Average Weight (kg)
Average Height (in)
Average Height (cm)
0-1 month
1.5 – 3
0.7 – 1.4
5 – 6
12.7 – 15.2
2 months
3 – 5
1.4 – 2.3
6 – 7
15.2 – 17.8
3 months
5 – 7
2.3 – 3.2
7 – 8
17.8 – 20.3
4 months
7 – 9
3.2 – 4.1
8 – 9
20.3 – 22.9
6 months
9 – 12
4.1 – 5.4
9 – 10
22.9 – 25.4
12 months
13 – 18
5.9 – 8.2
12 – 13
30.5 – 33.0
2 years
13 – 18
5.9 – 8.2
12 – 13
30.5 – 33.0
3 years
13 – 18
5.9 – 8.2
12 – 13
30.5 – 33.0
Female Cavalier King Charles Spaniel Weights & Heights by Age
The following chart contains the average weights and heights of female Cavalier King Charles Spaniel 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 King Charles Spaniel’s growth.
Age (Months/Years)
Average Weight (lbs)
Average Weight (kg)
Average Height (in)
Average Height (cm)
0-1 month
1.5 – 2.5
0.7 – 1.1
5 – 6
12.7 – 15.2
2 months
2.5 – 4.5
1.1 – 2.0
6 – 7
15.2 – 17.8
3 months
4.5 – 6.5
2.0 – 2.9
7 – 8
17.8 – 20.3
4 months
6.5 – 8.5
2.9 – 3.9
8 – 9
20.3 – 22.9
6 months
8.5 – 11
3.9 – 5.0
9 – 10
22.9 – 25.4
12 months
12 – 17
5.4 – 7.7
12 – 13
30.5 – 33.0
2 years
12 – 17
5.4 – 7.7
12 – 13
30.5 – 33.0
3 years
12 – 17
5.4 – 7.7
12 – 13
30.5 – 33.0
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 King Charles Spaniel Puppy’s Growth and Development
1. What is the average weight range for a Cavalier King Charles Spaniel puppy at 3 months?
At 3 months old, a Cavalier King Charles Spaniel puppy typically weighs between 5 and 7 pounds (2.3 to 3.2 kg). This range can vary slightly depending on the puppy’s diet, genetics, and activity level. Regular weigh-ins at veterinary checkups can help ensure your puppy is on a healthy growth trajectory.
2. How quickly should my Cavalier King Charles Spaniel puppy be gaining weight?
Healthy Cavalier puppies should gain weight steadily, but not excessively fast. Aim for a gradual increase that follows your vet’s guidelines, usually correlating with about 1 to 2 pounds per month during their first six months. Overfeeding and underfeeding can lead to health issues, so maintaining a balanced diet is key.
3. What is the ideal height for a Cavalier King Charles Spaniel at 6 months?
By 6 months, most Cavalier King Charles Spaniels should be nearing their adult height, typically around 9 to 10 inches at the shoulder. Height growth will slow down significantly after this age, and any major changes beyond this point should be minimal.
4. Are there any specific growth milestones I should watch for in my Cavalier puppy?
Key growth milestones for a Cavalier King Charles Spaniel include rapid growth phases at 2-4 months and a tapering off around 6-8 months when they begin to reach their mature height. You should also observe milestones related to teething, which usually begins around 3-5 months and completes with the adult teeth fully in by about 7-8 months.
5. How can I tell if my Cavalier puppy is overweight?
You can tell if your Cavalier puppy is overweight by feeling around its ribs and spine; you should be able to feel these bones with a slight layer of fat over them. Visually, your puppy should have a discernible waist when viewed from above. If you’re unsure, consult your vet for a proper evaluation.
6. What diet is best for supporting healthy growth in my Cavalier puppy?
A balanced diet rich in nutrients suitable for small breed puppies is ideal for Cavalier King Charles Spaniels. Look for puppy foods that cater to small breeds as they are formulated to support their rapid growth and higher metabolism. Always ensure fresh water is available and consult your vet for specific dietary recommendations.
7. How much exercise does my Cavalier puppy need to support healthy growth?
Cavalier puppies require moderate exercise to promote healthy growth and prevent obesity. Aim for short, frequent walks and play sessions throughout the day, rather than intense or prolonged activity, which can stress their developing bones and joints.
8. When will my Cavalier puppy stop growing?
Most Cavalier King Charles Spaniels will stop growing in height by 9 to 12 months of age, but they may continue to fill out and gain muscle until they are about 18 months old. Monitoring their growth through regular vet visits will help ensure they are developing properly.
9. Is it normal for my Cavalier puppy to have periods of rapid growth followed by slower growth?
Yes, it’s quite normal for puppies, including Cavaliers, to experience growth spurts interspersed with periods of slower growth. As long as your puppy is healthy, active, and its weight stays within recommended ranges, this pattern is generally no cause for concern.
10. Can neutering or spaying my Cavalier affect its growth?
Neutering or spaying can affect the growth of a Cavalier King Charles Spaniel, potentially leading to a slightly taller stature if done before the puppy has fully matured. It’s essential to discuss the timing of these procedures with your vet to optimize your puppy’s overall health and development.
11. What should I do if my Cavalier puppy isn’t meeting typical growth milestones?
If your Cavalier King Charles Spaniel isn’t meeting growth milestones, consult your veterinarian. They can assess whether your puppy’s growth pattern is normal or if there might be underlying health issues affecting its development.
12. How does genetics play a role in my Cavalier’s growth and size?
Genetics significantly influence the growth rate and adult size of your Cavalier King Charles Spaniel. The size of your puppy’s parents and even their lineage can give you a good indication of what to expect, although individual variation always occurs.
13. What are the signs of developmental issues in Cavalier puppies?
Signs of developmental issues in Cavalier puppies can include limping, difficulty in walking, lethargy, or unusual inactivity. If your puppy shows any of these signs, it’s important to seek veterinary care to rule out conditions like hip dysplasia or patellar luxation.
14. How often should my Cavalier puppy be fed to promote healthy growth?
Cavalier puppies should be fed three to four small meals per day up until they are six months old. After six months, you can reduce feeding to twice daily. This helps manage their energy levels and supports steady growth.
15. What are common health concerns that could affect my Cavalier’s growth?
Common health concerns that might affect growth in Cavalier King Charles Spaniels include heart conditions, syringomyelia, and joint problems like hip dysplasia. Regular check-ups are crucial to catch and manage these issues early.
16. Should I give my Cavalier puppy supplements to help with growth?
Generally, a well-balanced puppy-specific diet should provide all the necessary nutrients your Cavalier needs for growth. Supplements are not usually required unless recommended by your vet based on specific health needs.
17. What type of veterinary care should my growing Cavalier puppy receive?
Your growing Cavalier should receive regular veterinary check-ups, vaccinations, and parasite control to ensure they remain healthy throughout their development stages. Discuss a health schedule with your vet that includes regular monitoring of their growth and development.
18. How can I monitor my Cavalier’s growth at home?
You can monitor your Cavalier’s growth at home by keeping a weekly record of their weight and measurements. Compare these figures with growth charts or consult your vet to ensure they are growing at a healthy rate.
19. What is the impact of early socialization on my Cavalier’s development?
Early socialization can significantly impact your Cavalier’s psychological development, making them more adaptable and confident as they grow. Introduce your puppy safely to various people, pets, and environments to foster a well-rounded character.
20. Can environmental factors affect my Cavalier’s growth?
Yes, environmental factors such as poor nutrition, inadequate living conditions, or lack of exercise can negatively affect your Cavalier’s growth and overall health. Providing a clean, safe, and nurturing environment is essential for optimal development.
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