Cavalier King Charles Spaniel puppy weight calculator

Cavalier King Charles Spaniel adults usually weigh about 13 to 18 lb and are close to full size by about 10 to 12 months. A typical 12-week-old Cavalier King Charles Spaniel weighs about 4.5 to 6.5 lb.

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Adult weight: about 13 to 18 lb (small)

8 to 52 weeks

In pounds

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Cavalier King Charles Spaniel adults usually weigh

about 13 to 18 lb

At 12 weeks, Cavalier King Charles Spaniel puppies are typically about 35% of their adult weight, with most of their growing still ahead.

Typical puppy growth curveTypical weight from 8 weeks to 52 weeks, rising to 13 to 18 pounds as an adult. Your puppy: 5 pounds at 12 weeks.05101520816263952Age in weeksWeight (lb)
Typical range Your puppy today

Estimates vary, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

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Typical Cavalier King Charles Spaniel weight by age

AgeTypical weight
8 weeks3 to 4 lb
12 weeks4.5 to 6.5 lb
16 weeks6 to 8.5 lb
5 months8.5 to 11 lb
6 months9.5 to 13 lb
9 months12 to 17 lb
12 months13 to 18 lb

Puppies sit above and below these figures, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

Cavalier King Charles Spaniel questions

How big will my Cavalier King Charles Spaniel get?

Most Cavalier King Charles Spaniel adults weigh about 13 to 18 lb. Individual dogs vary, and the parents' size is often a helpful guide.

When do Cavalier King Charles Spaniel puppies stop growing?

Cavalier King Charles Spaniel puppies are usually close to adult weight by about 10 to 12 months. At 6 months a typical Cavalier King Charles Spaniel weighs about 9.5 to 13 lb, around 73% of adult weight.

How much does a 12-week-old Cavalier King Charles Spaniel weigh?

Typically about 4.5 to 6.5 lb, and by 16 weeks about 6 to 8.5 lb. Puppies sit above and below these figures, and every puppy grows at their own pace. If you have questions about your puppy's growth, ask your vet.

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