Skip to main content
100% Free
Large breed

View all Large breed growth charts

Old English Sheepdog Growth Chart

Male adult weight70–90 lb31.8–40.8 kg
Female adult weight60–80 lb27.2–36.3 kg

Old English Sheepdogs are shaggy, good-natured herders with a distinctive rolling gait. Adults typically weigh 60–90 lb, with males heavier than females. Most reach adult weight around 14–18 months.

View weight chart (lb & kg)

Calculate Your Old English Sheepdog Puppy's Adult Weight

Enter your Old English Sheepdog puppy's age and current weight for an estimated adult weight range.

Your puppy

Age
Current weight
Sex
Free to use · No account needed

Old English Sheepdog weight by age

Typical male and female puppy weight ranges by age, available in lb and kg. Individual puppies may vary.

Most Old English Sheepdog puppies approach adult weight around 18 months, although individuals may finish earlier or later.

Weight unit
Expected Old English Sheepdog puppy weight at key ages in lb or kg
AgeTypical male rangeTypical female range
2 months (8 weeks)8.7–22.9 lb3.9–10.4 kg7.4–20.3 lb3.4–9.2 kg
3 months (12 weeks)13.2–28.6 lb6–13 kg11.3–25.4 lb5.1–11.5 kg
4 months (16 weeks)17.2–33.8 lb7.8–15.3 kg14.8–30.1 lb6.7–13.7 kg
5 months (20 weeks)20.9–38.5 lb9.5–17.5 kg17.9–34.2 lb8.1–15.5 kg
6 months (24 weeks)24.4–43.1 lb11.1–19.5 kg20.9–38.3 lb9.5–17.4 kg
7 months (32 weeks)31–51.6 lb14.1–23.4 kg26.6–45.8 lb12.1–20.8 kg
9 months (40 weeks)37.2–59.5 lb16.9–27 kg31.9–52.9 lb14.5–24 kg
1 year (52 weeks)45.9–70.7 lb20.8–32.1 kg39.4–62.9 lb17.9–28.5 kg
18 months (78 weeks)63.4–90 lb28.8–40.8 kg54.3–80 lb24.6–36.3 kg
24 months (104 weeks)65.5–90 lb29.7–40.8 kg56.1–80 lb25.4–36.3 kg

These estimated ranges combine the breed's adult weights with a size-based growth curve. They are not measured breed-specific percentiles or health targets. Month labels are rounded approximations; use the week values for each row. How these weight ranges are calculated

Old English Sheepdog Growth Stages

Understanding the typical growth stages helps you know what to expect as your Old English Sheepdog puppy grows.

Neonatal

0–2 weeks

Puppies are born with eyes and ears closed, relying entirely on their mother. Rapid weight gain occurs during this period.

Socialization

3–12 weeks

Eyes and ears open. Puppies begin to explore, play, and learn social behaviors. This is a critical period for development.

Juvenile

3–8 months

Rapid growth continues. Puppies become more independent, start teething, and develop coordination.

Adolescent

8–14 months

Growth rate begins to slow. Puppies reach sexual maturity and may test boundaries. Muscle mass develops.

Young Adult

14–18 months

Growth is nearly complete. Your puppy is filling out and approaching adult proportions.

Adult

18+ months

Your puppy has reached their full adult size. Weight should remain relatively stable with proper nutrition.

Old English Sheepdog FAQ

How much will my Old English Sheepdog puppy weigh as an adult?

Most adult Old English Sheepdogs typically weigh between 60 and 90 lb. Males often reach 70–90 lb, while females usually finish at 60–80 lb.

At what age is an Old English Sheepdog fully grown?

They usually reach adult weight between 14 and 18 months. The shaggy coat hides the frame completely, so the scale is your only honest measure.

How accurate is an Old English Sheepdog puppy weight chart?

Charts show typical trends, not guarantees. Never judge this breed's weight by eye — the coat can hide 10 lb in either direction.

Do male and female Old English Sheepdogs grow differently?

Males are larger and heavier-boned, typically 10–20 lb heavier than females.

How much should I feed my Old English Sheepdog puppy?

Feed a large-breed puppy formula in measured meals. Feel ribs through the coat regularly — visual checks do not work on this breed. Ask your vet about portions.

Similar breeds

Explore growth charts for other dogs in the same size category.