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Cavalier King Charles Spaniel Weight Chart

How big do Cavalier King Charles Spaniels get? See their growth chart and ideal weight.

Adult Weight Range
10-25 lbs
Size: Small

Cavalier King Charles Spaniel Growth Chart

8 weeks
2.1 lbs
12%
3 months
5.3 lbs
30%
6 months
10.5 lbs
60%
9 months
14.0 lbs
80%
12 months
15.8 lbs
90%
18-24 months
17.5 lbs
100%

Is My Cavalier King Charles Spaniel a Healthy Weight?

A healthy Cavalier King Charles Spaniel should have a visible waist when viewed from above, and you should be able to feel (but not see) their ribs.

  • Ideal: Ribs easily felt, visible waist, tucked abdomen
  • !Overweight: Ribs hard to feel, no waist visible, rounded belly
  • Underweight: Ribs, spine visible, prominent waist

Frequently Asked Questions

How big does a Cavalier King Charles Spaniel get?

A healthy adult Cavalier King Charles Spaniel typically weighs between 10-25 lbs. They are considered a Small breed.

When does a Cavalier King Charles Spaniel stop growing?

Most Cavalier King Charles Spaniels reach their full adult height and weight by 18-24 months. However, they may continue to "fill out" with muscle for a few months after.

How much should a Cavalier King Charles Spaniel puppy weigh at 3 months?

At 3 months old, a typical Cavalier King Charles Spaniel puppy weighs approximately 5.3 lbs. Growth rates vary, so consult your vet if concerned.

How can I tell if my Cavalier King Charles Spaniel is overweight?

A healthy Cavalier King Charles Spaniel should have a visible waist when viewed from above, and you should be able to feel (but not see) their ribs through a thin layer of fat. If the waist isn't visible, ribs are hard to feel, or the belly sags, your Cavalier King Charles Spaniel may be overweight. Consult your vet for an accurate body condition assessment.