American Water Spaniel Weight & Growth Chart

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

Male Adult Weight
25–45 lbs
Female Adult Weight
21–39 lbs

American Water Spaniel Weight Overview

Adult American Water Spaniels typically weigh between 25 and 45 pounds, with males generally being larger than females. Males average 25–45 lbs while females typically weigh 21–39 lbs.

Males 30-45 lbs, females 25-40 lbs. Compact and muscular, sized to work from small boats. Should appear sturdy and athletic without being heavy..

Growth Chart

When Does a American Water Spaniel Stop Growing?

American Water Spaniels typically reach their full adult height of 15–18 inches by 12 to 15 months and their full adult weight of 25–45 lbs shortly after. Males 30-45 lbs, females 25-40 lbs. Compact and muscular, sized to work from small boats. Should appear sturdy and athletic without being heavy..

Factors that influence growth include genetics, nutrition, and spay/neuter timing. Dogs spayed or neutered very early may grow slightly taller due to delayed growth plate closure.

Is My American Water Spaniel Overweight?

To determine if your American Water Spaniel is at a healthy weight (25–45 lbs target):

  • Rib test: You should be able to feel the ribs without pressing hard, with a thin layer of fat covering them
  • Waist check: Viewed from above, there should be a visible waist behind the ribs
  • Tuck-up: From the side, the abdomen should tuck up behind the rib cage

Their curly coat can mask weight gain, so hands-on assessment is essential. If your American Water Spaniel is overweight, work with your veterinarian to develop a safe weight loss plan. Even a 10% reduction can reduce the risk of Hip Dysplasia and other conditions.

Feeding Recommendation

Daily food for an adult American Water Spaniel: 0.5–0.9 cups of high-quality dry food in two meals, budgeting $52–81/month. Puppies growing toward 25–45 lbs need three to four daily feedings until around six months old. A moderately healthy breed with some eye, heart, and coat concerns. The breed's small population means health data is limited.—treats count toward daily calorie intake.

Weight by Age Table

AgeMale (lbs)Female (lbs)
3 months 10.1–12.4 8.6–10.6
6 months 22.2–27.3 18.8–23.3
9 months 32.2–39.8 27.4–33.8
12 months 40.3–49.7 34.2–42.3

Frequently Asked Questions

Males: 25–45 lbs. Females: 21–39 lbs. Males 30-45 lbs, females 25-40 lbs. Compact and muscular, sized to work from small boats. Should appear sturdy and athletic without being heavy.. Consult your vet for a personalized assessment.
Most American Water Spaniels reach adult height of 15–18 inches by 12–15 months, with full body weight of 25–45 lbs achieved shortly after. Males 30-45 lbs, females 25-40 lbs. Compact and muscular, sized to work from small boats. Should appear sturdy and athletic without being heavy..
Three quick checks for your American Water Spaniel: (1) Feel the ribs–they should be easily palpable under a thin fat layer. (2) View from above–there should be a visible waist behind the ribs. (3) Side profile–the abdomen should tuck up. Target weight: 25–45 lbs. Their curly coat can make visual assessment harder, so hands-on rib checks are especially important. Consult your vet for a body condition score.
Start with the food label's guidelines for your puppy's current weight and adjust based on body condition. American Water Spaniel puppies should eat 3–4 meals daily until 6 months, then transition to twice daily. Given the breed's predisposition to Hip Dysplasia, your vet may recommend specific dietary considerations. Target adult weight is 25–45 lbs (25–45 for males, 21–39 for females).
If your American Water Spaniel puppy isn't gaining weight as expected (target adult weight: 25–45 lbs), consult your vet. Common causes include intestinal parasites, insufficient calorie intake, or malabsorption. The breed's predisposition to Hip Dysplasia could also be a factor worth investigating. A fecal test and blood work are typically the first diagnostic steps.