Leonberger Weight & Growth Chart

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

Male Adult Weight
90–170 lbs
Female Adult Weight
76–149 lbs

Leonberger Weight Overview

The Leonberger weighs 90–170 lbs at maturity. Males (90–170 lbs) are typically heavier than females (76–149 lbs).

Males weigh 110-170 pounds, females 90-140 pounds; despite their size, Leonbergers should appear elegant and athletic rather than cumbersome.. The growth chart below shows the typical weight progression from puppyhood to adulthood.

Growth Chart

When Does a Leonberger Stop Growing?

Expect your Leonberger to reach adult height of 25–31 inches by 15–24 months. Full body maturity—including muscle development toward the 90–170 lb target—may continue until 18–30 months.

Growth is influenced by genetics, nutrition quality, and spay/neuter timing. Leonberger polyneuropathy is a breed-specific concern; ongoing research is identifying genetic markers, and breed clubs maintain health databases for tracking..

Is My Leonberger Overweight?

Is your Leonberger at a healthy weight? The ideal range is 90–170 lbs (males 90–170, females 76–149). 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. Leonberger polyneuropathy is a breed-specific concern; ongoing research is identifying genetic markers, and breed clubs maintain health databases for tracking..

Feeding Recommendation

An adult Leonberger's daily food intake is typically 1.3–3.4 cups of high-quality kibble, fed in two meals. Males weigh 110-170 pounds, females 90-140 pounds; despite their size, Leonbergers should appear elegant and athletic rather than cumbersome.. At 90–170 lbs with energy level 3/5, a joint-supporting formula is recommended for this giant-sized working breed.

Weight by Age Table

AgeMale (lbs)Female (lbs)
3 months 30.4–37.6 25.8–32.0
6 months 68.4–84.6 58.0–72.0
9 months 98.8–122.2 83.8–104.1
12 months 121.5–150.5 103.1–128.1
18 months 144.3–178.7 122.5–152.1
24 months 151.9–188.1 128.9–160.1

Frequently Asked Questions

Adult Leonbergers weigh 90–170 lbs (males: 90–170 lbs; females: 76–149 lbs). Males weigh 110-170 pounds, females 90-140 pounds; despite their size, Leonbergers should appear elegant and athletic rather than cumbersome..
The Leonberger reaches full adult size (25–31 inches, 90–170 lbs) by approximately 18–24 months. Moderate exercise needs of 45-60 minutes daily; enjoys swimming, hiking, and cart pulling, but should avoid strenuous activity during the long growth period.. Early spay/neuter may slightly delay growth plate closure in this giant-sized breed.
Use the body condition scoring method: ribs easily felt, visible waist from above, and abdominal tuck from the side. If your Leonberger exceeds 170 lbs without exceptional muscle mass, they are likely overweight. Obesity is particularly dangerous for this breed due to their predisposition to Hip Dysplasia. Your vet can provide a precise assessment and weight loss plan.
Feeding amounts depend on age, current weight, and the Leonberger's expected adult size of 90–170 lbs. Puppies under 6 months need 3–4 meals daily; older puppies eat twice daily. For this giant-sized breed, a large-breed puppy formula helps control growth rate and protect developing joints. Leonberger polyneuropathy is a breed-specific concern; ongoing research is identifying genetic markers, and breed clubs maintain health databases for tracking..
A Leonberger puppy not gaining weight needs veterinary attention. Expected growth milestones lead to an adult weight of 90–170 lbs (males 90–170, females 76–149). Possible causes: parasites, insufficient calorie density in food, stress, or underlying conditions. Ensure the puppy is eating without competition from littermates or other pets.