Small breed

Cavalier King Charles Spaniel Growth Chart

Male adult weight13–18 lb
Female adult weight13–18 lb

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.

Expected Cavalier King Charles Spaniel puppy weight at key ages (lb)
AgeExpected weight (low–high)
8 weeks2.35.5 lb
12 weeks3.57.3 lb
16 weeks4.68.8 lb
20 weeks5.710.2 lb
24 weeks6.611.5 lb
32 weeks8.414 lb
40 weeks10.116.4 lb
1 year11.818 lb

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?

Enter your puppy's age and current weight in this calculator. Typical adult Cavalier King Charles Spaniel ranges depend on sex, genetics, and whether the puppy is on a steady growth curve.

At what age is a Cavalier King Charles Spaniel fully grown?

Most Cavalier King Charles Spaniel dogs reach most adult weight between 10 and 18 months depending on size. Larger individuals may keep filling out slightly longer while bone and muscle finish developing.

How accurate is a Cavalier King Charles Spaniel puppy weight chart?

Charts reflect typical trends, not guarantees. Individual puppies may finish above or below the estimated range based on parents, nutrition, and overall health.