Cavalier King Charles Spaniel Growth Chart
Cavalier King Charles Spaniels are gentle spaniels with a silky coat and moderate bone. Most finish growing near 12 months. Because males and females share similar ranges, weekly trend and body condition are especially useful.
Cavalier King Charles Spaniel weight by age
Typical weight ranges based on Cavalier King Charles Spaniel adult size and standard growth curves. Individual puppies may vary.
| Age | Expected weight (low–high) |
|---|---|
| 8 weeks | 2.3–5.5 lb |
| 12 weeks | 3.5–7.3 lb |
| 16 weeks | 4.6–8.8 lb |
| 20 weeks | 5.7–10.2 lb |
| 24 weeks | 6.6–11.5 lb |
| 32 weeks | 8.4–14 lb |
| 40 weeks | 10.1–16.4 lb |
| 1 year | 11.8–18 lb |
Cavalier King Charles Spaniel Growth Stages
Understanding the typical growth stages helps you know what to expect as your Cavalier King Charles Spaniel puppy grows.
Neonatal
0–2 weeksPuppies are born with eyes and ears closed, relying entirely on their mother. Rapid weight gain occurs during this period.
Socialization
3–12 weeksEyes and ears open. Puppies begin to explore, play, and learn social behaviors. This is a critical period for development.
Juvenile
3–6 monthsRapid growth continues. Puppies become more independent, start teething, and develop coordination.
Adolescent
6–10 monthsGrowth rate begins to slow. Puppies reach sexual maturity and may test boundaries. Muscle mass develops.
Young Adult
10–12 monthsGrowth is nearly complete. Your puppy is filling out and approaching adult proportions.
Adult
12+ monthsYour puppy has reached their full adult size. Weight should remain relatively stable with proper nutrition.
Calculate Your Cavalier King Charles Spaniel Puppy's Adult Weight
Enter your Cavalier King Charles Spaniel puppy's age and current weight for an estimated adult weight range.
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Cavalier King Charles Spaniel FAQ
How much will my Cavalier King Charles Spaniel puppy weigh as an adult?
As a small breed, Cavalier King Charles Spaniels usually reach an estimated adult range of 13–18 lb overall. Sex matters: males typically finish around 13–18 lb and females around 13–18 lb. Track weekly weigh-ins to see whether your puppy trends toward the lower or upper end.
At what age is a Cavalier King Charles Spaniel fully grown?
Cavalier King Charles Spaniels are small dogs that typically reach most of their adult weight between 9 and 12 months. Cavaliers typically finish near 12 months with gradual coat and bone fill. Slight muscle or coat fill may continue briefly after height stabilizes, so weekly weigh-ins give a clearer picture than a single reading.
How accurate is a Cavalier King Charles Spaniel puppy weight chart?
Chart accuracy for Cavalier King Charles Spaniels depends on individual build. Differences in similar male and female ranges can shift results, since silky feathering can exaggerate apparent bulk. Weekly weigh-ins on the same scale and time of day typically improve estimate quality over time.