King Charles Spaniel Full Grown: Size & Weight
A full-grown King Charles Spaniel weighs about 8–14 lb and stands roughly 9–10 in tall at the shoulder.
Have a King Charles Spaniel puppy? Estimate its adult size
Built on the toy growth curve, clamped to the breed's range.
King Charles Spaniel growth chart
How a toy-size dog like the King Charles Spaniel fills out over its first months. Switch between percent of adult weight and pounds, and enter a weigh-in above to plot your puppy.
- King Charles Spaniel
- Your puppy
Median curves computed from ~89,000 healthy dogs aged 2–24 months in the open Salt et al. 2017 dataset (PLOS ONE, CC BY 4.0), grouped into PuppySize's five size classes.
- King Charles Spaniel · 8–14 lb
- Your puppy
Each shaded band shows the typical weight range at every age, with the line marking the middle of that range.
| Age | % of adult weight | Estimated weight |
|---|---|---|
| 2 months | 37.9% | 3–5 lb |
| 3 months | 53.6% | 4–8 lb |
| 4 months | 69.6% | 6–10 lb |
| 5 months | 81.7% | 7–11 lb |
| 6 months | 87.5% | 7–12 lb |
| 7 months | 91.1% | 7–13 lb |
| 8 months | 94.6% | 8–13 lb |
| 9 months | 96.4% | 8–13 lb |
| 10 months | 100% | 8–14 lb |
How confident is this estimate? Based on an official breed standard or cross-checked veterinary/registry sources.
About this breed's data: The King Charles Spaniel is the AKC English Toy Spaniel (a distinct, flatter-faced breed from the Cavalier). AKC: 9-10 in and 8-14 lb.
Sources: American Kennel Club, Salt et al. 2017 (PLOS ONE) growth data.
King Charles Spaniel questions
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