American Cocker Spaniel Full Grown: Size & Weight
A full-grown American Cocker Spaniel weighs about 20–30 lb and stands roughly 13.5–15.5 in tall at the shoulder.
Have a American Cocker Spaniel puppy? Estimate its adult size
Built on the medium growth curve, clamped to the breed's range.
American Cocker Spaniel growth chart
How a medium-size dog like the American Cocker 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.
- American Cocker 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.
- American Cocker Spaniel · 20–30 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 | 24.3% | 5–7 lb |
| 3 months | 38.6% | 8–12 lb |
| 4 months | 54.6% | 11–16 lb |
| 5 months | 67.4% | 13–20 lb |
| 6 months | 77.7% | 16–23 lb |
| 7 months | 83.1% | 17–25 lb |
| 8 months | 89.8% | 18–27 lb |
| 9 months | 92.3% | 18–28 lb |
| 10 months | 94.4% | 19–28 lb |
| 11 months | 97.1% | 19–29 lb |
| 12 months | 100% | 20–30 lb |
How confident is this estimate? Based on an official breed standard or cross-checked veterinary/registry sources.
About this breed's data: AKC (Cocker Spaniel) standard: males 14.5-15.5 in and 25-30 lb, females 13.5-14.5 in and 20-25 lb.
Sources: American Kennel Club, Salt et al. 2017 (PLOS ONE) growth data.
American Cocker Spaniel questions
How big does an American Cocker Spaniel get?
When does an American Cocker Spaniel stop growing?
Are these American Cocker Spaniel size estimates accurate?
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