Large breed

Labrador Retriever Growth Chart

Male adult weight65–80 lb

Female adult weight55–70 lb

Labrador Retriever puppies follow a large-breed growth curve and usually approach adult weight between 14 and 18 months. The chart below compares estimated male and female puppy weight by age in lb and kg, while the calculator uses your puppy's current measurement to return an adult range.

Enter your puppy's details to see an adult weight range, growth chart, and confidence level.

2 months (8 weeks)6.8–20.3 lb3.1–9.2 kg
3 months (12 weeks)10.3–25.4 lb4.7–11.5 kg
4 months (16 weeks)13.5–30.1 lb6.1–13.7 kg
6 months (24 weeks)19.2–38.3 lb8.7–17.4 kg
1 year (52 weeks)36.1–62.9 lb16.4–28.5 kg

Weight unit

lbkg

Expected Labrador Retriever puppy weight at key ages in lb or kg
Age	Typical male range	Typical female range
2 months (8 weeks)	8.1–20.3 lb3.7–9.2 kg	6.8–17.8 lb3.1–8.1 kg
3 months (12 weeks)	12.2–25.4 lb5.5–11.5 kg	10.3–22.3 lb4.7–10.1 kg
4 months (16 weeks)	16–30.1 lb7.3–13.7 kg	13.5–26.3 lb6.1–11.9 kg
5 months (20 weeks)	19.4–34.2 lb8.8–15.5 kg	16.4–30 lb7.4–13.6 kg
6 months (24 weeks)	22.7–38.3 lb10.3–17.4 kg	19.2–33.5 lb8.7–15.2 kg
7 months (32 weeks)	28.8–45.8 lb13.1–20.8 kg	24.4–40.1 lb11.1–18.2 kg
9 months (40 weeks)	34.5–52.9 lb15.6–24 kg	29.2–46.3 lb13.2–21 kg
1 year (52 weeks)	42.6–62.9 lb19.3–28.5 kg	36.1–55 lb16.4–24.9 kg
18 months (78 weeks)	58.8–80 lb26.7–36.3 kg	49.8–70 lb22.6–31.8 kg
24 months (104 weeks)	60.8–80 lb27.6–36.3 kg	51.4–70 lb23.3–31.8 kg

Labrador Retriever Growth Stages

Understanding the typical growth stages helps you know what to expect as your Labrador Retriever 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.

How much will my Labrador Retriever puppy weigh as an adult?

Most adult Labrador Retrievers typically weigh between 55 and 80 lb as a large breed. Males often fall in the 65–80 lb range, while females may finish lighter at 55–70 lb. Your puppy's current age and weight help estimate where they may land within that spread.

At what age is a Labrador Retriever fully grown?

Labrador Retrievers are large dogs that typically reach most of their adult weight between 14 and 18 months. Many Labs look adult-sized by one year but may keep filling out chest and shoulder muscle. Slight muscle or coat fill may continue briefly after height stabilizes, so weekly weigh-ins give a clearer picture than a single reading.

How accurate is a Labrador Retriever puppy weight chart?

Labrador Retriever weight charts reflect breed averages, not guarantees. Variation from field versus show lines is common, and American and English Lab types differ in bone and height. Treat estimates as ranges and track your puppy's trend over several weeks for better context.

Labrador Retriever Growth Chart

Calculate Your Labrador Retriever Puppy's Adult Weight

Labrador Retriever key puppy weight milestones

Labrador Retriever weight by age