Cocker Spaniel Weight & Growth Chart

Complete weight guide with growth charts for male and female Cocker Spaniels from puppy to adult.

Male Adult Weight
20–30 lbs
Female Adult Weight
17–26 lbs

Cocker Spaniel Weight Overview

The Cocker Spaniel weighs 20–30 lbs at maturity. Males (20–30 lbs) are typically heavier than females (17–26 lbs).

Males 25-30 lbs, females 20-25 lbs. The smallest of the sporting breeds. Prone to weight gain, which can exacerbate joint issues.. The growth chart below shows the typical weight progression from puppyhood to adulthood.

Growth Chart

When Does a Cocker Spaniel Stop Growing?

Most Cocker Spaniels reach adult height of 13–15 inches by 12–15 months, with full body weight of 20–30 lbs achieved shortly after. Males fill out to 30 lbs while females reach 26 lbs.

Growth rate is influenced by genetics, diet quality, and spay/neuter timing. Moderate exercise needs of 30-60 minutes daily. Enjoys walks, play sessions, and short retrieves. Adapts well to various activity levels..

Is My Cocker Spaniel Overweight?

Is your Cocker Spaniel at a healthy weight? The ideal range is 20–30 lbs (males 20–30, females 17–26). Check these three signs:

  • Ribs: Easily felt with light pressure; not visible but not buried under fat
  • Waistline: A clear narrowing behind the ribs when viewed from above
  • Abdominal tuck: The belly slopes upward from the ribcage to the hind legs when viewed from the side

If your dog fails any of these checks, consult your vet. Cockers have a higher than average number of hereditary health issues, particularly affecting the eyes and ears. Buying from health-tested parents is critical..

Feeding Recommendation

Daily food for an adult Cocker Spaniel: 0.5–0.6 cups of high-quality dry food in two meals, budgeting $45–71/month. Puppies growing toward 20–30 lbs need three to four daily feedings until around six months old. Cockers have a higher than average number of hereditary health issues, particularly affecting the eyes and ears. Buying from health-tested parents is critical.—treats count toward daily calorie intake.

Weight by Age Table

AgeMale (lbs)Female (lbs)
3 months 6.8–8.2 5.8–7.0
6 months 14.9–18.1 12.7–15.4
9 months 21.7–26.3 18.4–22.4
12 months 27.1–32.8 23.0–28.0

Frequently Asked Questions

Males: 20–30 lbs. Females: 17–26 lbs. Males 25-30 lbs, females 20-25 lbs. The smallest of the sporting breeds. Prone to weight gain, which can exacerbate joint issues.. Consult your vet for a personalized assessment.
Most Cocker Spaniels reach adult height of 13–15 inches by 12–15 months, with full body weight of 20–30 lbs achieved shortly after. Males 25-30 lbs, females 20-25 lbs. The smallest of the sporting breeds. Prone to weight gain, which can exacerbate joint issues..
Use the body condition scoring method: ribs easily felt, visible waist from above, and abdominal tuck from the side. If your Cocker Spaniel exceeds 30 lbs without exceptional muscle mass, they are likely overweight. Obesity is particularly dangerous for this breed due to their predisposition to Progressive Retinal Atrophy. Your vet can provide a precise assessment and weight loss plan.
Start with the food label's guidelines for your puppy's current weight and adjust based on body condition. Cocker Spaniel puppies should eat 3–4 meals daily until 6 months, then transition to twice daily. Given the breed's predisposition to Progressive Retinal Atrophy, your vet may recommend specific dietary considerations. Target adult weight is 20–30 lbs (20–30 for males, 17–26 for females).
A Cocker Spaniel puppy not gaining weight needs veterinary attention. Expected growth milestones lead to an adult weight of 20–30 lbs (males 20–30, females 17–26). Possible causes: parasites, insufficient calorie density in food, stress, or underlying conditions. With energy needs rated 4/5, high-energy puppies may burn more calories than expected.