Wire Fox Terrier Weight & Growth Chart

Complete weight guide with growth charts for male and female Wire Fox Terriers from puppy to adult.

Male Adult Weight
15–18 lbs
Female Adult Weight
12–15 lbs

Wire Fox Terrier Weight Overview

Adult Wire Fox Terriers typically weigh between 15 and 18 pounds, with males generally being larger than females. Males average 15–18 lbs while females typically weigh 12–15 lbs.

Weight can vary based on genetics, diet, exercise level, and whether the dog has been spayed or neutered. The growth chart below shows the typical weight progression from puppy to adult.

Growth Chart

When Does a Wire Fox Terrier Stop Growing?

Wire Fox Terriers typically reach their full adult height by 12 to 15 months and their full adult weight shortly after. Smaller individuals may continue to fill out and add muscle mass for several months after reaching full height.

Factors that influence when a Wire Fox Terrier stops growing include genetics, nutrition, and spay/neuter timing. Dogs that are spayed or neutered very early may grow slightly taller due to delayed growth plate closure.

Is My Wire Fox Terrier Overweight?

To determine if your Wire Fox Terrier is at a healthy weight:

  • 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

If your Wire Fox Terrier is overweight, work with your veterinarian to develop a safe weight loss plan. Even a 10% reduction in body weight can significantly improve health outcomes.

Feeding Recommendation

Adult Wire Fox Terriers typically need 0.5 to 0.4 cups of high-quality dry food per day, divided into two meals. Puppies need more frequent feedings — three to four times daily until six months, then twice daily. Always provide fresh water and adjust portions based on activity level and body condition.

Weight by Age Table

AgeMale (lbs)Female (lbs)
3 months 4.1–4.9 3.5–4.1
6 months 9.1–10.7 7.7–9.1
9 months 13.2–15.6 11.2–13.3
12 months 16.5–19.5 14.0–16.6

Frequently Asked Questions

Adult Wire Fox Terrier weight varies by gender and individual build. Refer to the weight ranges above and consult your vet to determine your specific dog's ideal weight.
Most Wire Fox Terriers reach their adult weight between 12 and 24 months, depending on their size category. Larger dogs take longer to reach full size.
You should be able to feel your Wire Fox Terrier's ribs without pressing hard, and they should have a visible waist when viewed from above. Your vet can provide a body condition score.
Feeding amounts depend on your puppy's age, current weight, and expected adult size. Follow the food manufacturer's guidelines and adjust based on your vet's recommendations.
If your Wire Fox Terrier puppy isn't gaining weight as expected, consult your veterinarian. Common causes include parasites, inadequate nutrition, or underlying health conditions.