How big will my Cavalier King Charles Spaniel get?

Cavalier King Charles Spaniels typically reach an adult weight of 13 to 18 pounds. Males usually average 13-18 lbs, while females average 13-18 lbs.

When is a Cavalier King Charles Spaniel fully grown?

Most Cavalier King Charles Spaniels reach their maximum height by 12 months, but continue to fill out with muscle mass until about 18 months of age.

Expert Guide

Cavalier King Charles Spaniel Growth

Predict adult size and track your Cavalier King Charles Spaniel's development with precision.

Breed Overview

About the Cavalier King Charles Spaniel

Affectionate, graceful, and gentle

Group

Toy

Size Category

Small

Lifespan

12-15 years

Full Maturity

12 months

Temperament Traits

AffectionateGracefulGentleFearlessPlayfulSociable

Growth Benchmarks

Expected Adult Weight

13-18lbs

Typical Male

13-18 lbs

Typical Female

13-18 lbs

Found this tool useful?

Share PetCalc with other pet owners or save the link to track your puppy's progress as they grow.

Embed this tool

Add our professional calculator to your own website

<iframe src="https://www.petcarecalc.com/embed/weight-calculator" width="100%" height="650" frameborder="0" style="border-radius: 24px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);"></iframe>
<p style="text-align: center; font-size: 12px; color: #94a3b8; margin-top: 12px;">
  <a href="https://www.petcarecalc.com" target="_blank" style="color: #2563eb; font-weight: bold; text-decoration: none;">petcarecalc.com</a>
</p>

Attribution required

🐾