English Cocker Puppy Weight Calculator

Calculate the adult weight for your English Cocker. Just type your puppy’s current weight and age, and see how big your puppy gets.

English Cocker Spaniel Growth Guide

Breed Overview

The English Cocker Spaniel, originally bred in England as a hunting and flushing dog, is known for its cheerful demeanor, affectionate nature, and boundless energy. This breed was developed to work in the field, particularly to flush out game birds, and still carries a high prey drive and strong sense of smell. Today, English Cockers are beloved family companions and excel in agility, obedience, and field trials.

Classified as a medium-sized breed, English Cockers benefit from consistent growth tracking to avoid over- or underweight issues that can affect their agility and joint health. With their active lifestyle and eagerness to please, they grow best with careful attention to nutrition and exercise during puppyhood.

Learn more about the breed from the English Cocker Spaniel Club of America and the American Kennel Club.

English Cocker Spaniel Growth Chart & Weight Ranges

Age	Male Weight Range	Female Weight Range
4 weeks	3–5 lbs	2.5–4.5 lbs
8 weeks	7–9 lbs	6–8 lbs
3 months	12–16 lbs	11–15 lbs
4 months	16–21 lbs	14–19 lbs
6 months	22–28 lbs	20–26 lbs
9 months	26–32 lbs	24–30 lbs
12 months	28–34 lbs	26–32 lbs

Males typically weigh 2–4 lbs more than females and may appear more muscular or broad-headed as they mature.

How Much Bigger Will My English Cocker Spaniel Puppy Get?

Most English Cocker Spaniel puppies reach 50% of their adult weight by 4 months old. Their rapid growth usually slows down after 6 months, and most will reach their full adult height by 9–12 months, although they may continue to fill out until 14–16 months.

Rule of Thumb:
To estimate adult weight, double your puppy’s weight at 16 weeks.

Unlike giant breeds, English Cockers mature relatively early but should still be monitored to avoid excessive weight that could impact their mobility.

English Cocker Spaniel Growth Tips

Nutrition

Feed your puppy a high-quality puppy-specific formula that supports healthy bone and muscle development. Feed 3–4 small meals per day until around 6 months, then transition to 2 meals daily. Avoid overfeeding, as Cockers can be prone to obesity, which affects joint health.

Include omega-3 fatty acids for coat health and monitor calorie intake as they become less active in adulthood.

Exercise

Provide daily short walks and gentle play in early months, gradually introducing structured fetch or scent games. English Cockers thrive on mental stimulation as much as physical activity, but avoid strenuous jumping or stair climbing until growth plates close (around 12 months).

Health Watch

Common growth-related concerns in English Cocker Spaniels include:

• Hip dysplasia
• Progressive Retinal Atrophy (PRA)
• Ear infections (due to long, floppy ears and moisture buildup)

Regular veterinary checks, proper grooming (especially ears), and controlled weight gain help prevent many of these issues.