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Estimates only. Not veterinary advice.
The Labrador standard gives adult working-condition weights of 65-80 lb (29.5-36.3 kg) for males and 55-70 lb (24.9-31.8 kg) for females. Compare these with your dog's frame and body condition.
For a growing puppy, enter age and current weight in the calculator, then follow repeat weigh-ins.
Overview
Breed standard
Males 29.5-36.3 kg; females 24.9-31.8 kg
Males 65-80 lb; females 55-70 lb
Size class
Large breed
Matched size chart
Growth pace
Slower
Typical for this breed size
Check-in cadence
Weekly to monthly
Suggested rhythm
<16 w weekly | 16-32 w biweekly | 32 w+ monthly
Quick answers
Start with adult size, then use your own measurements to follow puppy growth.
Adult weight
The Labrador standard gives approximate working-condition weights of 65-80 lb (29.5-36.3 kg) for males and 55-70 lb (24.9-31.8 kg) for females. These adult figures do not prescribe a weight for every pet.
Calculator
Open the calculator with Labrador Retriever selected, enter your puppy's age and current weight, and choose the correct units. The result is an adult-size estimate, not an assessment of whether your puppy is healthy.
Ideal weight
A larger male and a smaller female need different reference points. An individual healthy weight also depends on muscle and body condition, so appetite or a single breed average should not set portions.
Puppy growth
There is no single monthly number that every puppy should reach. Compare repeat measurements with a suitable growth chart and body condition, and ask your veterinarian about a changed trend.
Adult weight reference
The Labrador standard gives approximate working-condition weights of 65-80 lb (29.5-36.3 kg) for males and 55-70 lb (24.9-31.8 kg) for females. These adult figures do not prescribe a weight for every pet.
For puppy weights by age, follow measurements over time on a chart suited to sex and expected adult size. WALTHAM offers charts from 12 weeks; ask your veterinarian which chart to use.
| Reference | Adult weight |
|---|---|
| Adult male, approximate working condition | 65-80 lb (about 29.5-36.3 kg) |
| Adult female, approximate working condition | 55-70 lb (about 24.9-31.8 kg) |
Maturity
Labradors need an individual assessment of maturity. Height can settle before muscle and body condition, so discuss food and activity changes with your veterinarian rather than using a fixed birthday.
Record weight and any changes in meals, activity or health. Bring the record to routine veterinary visits.
A slower rate of gain can be part of approaching maturity. Ask your veterinarian when a puppy growth diet should change.
Body condition
Feel the ribs and look for a waist from above. Record meals and training treats when reviewing changes in weight.
Growth check
The best Labrador growth trend combines steady weight gain with a lean waist, normal stamina, and comfortable movement.
Trend note
For Labs, small food extras add up. Check ribs and waist alongside the weight record when reviewing portions.
Weight factors
A Labrador's weight depends on frame, sex, food intake and activity.
Males usually finish heavier, while females often stay closer to the lower half of the Labrador range.
Field-line Labs may look leaner and more athletic, while show-line Labs often carry a broader head, chest, and body.
Food rewards are useful for training, but they must be counted because Labs can collect extra calories from every person in the house.
Research has linked a POMC deletion in some Labrador Retrievers with greater food motivation and body weight. It is not a diagnosis for every Lab, but it supports using measured portions instead of appetite as the guide.
Regular controlled exercise helps build muscle, but sudden long sessions after inactive weeks can leave a growing dog sore.
Joint discomfort, ear infections, or exercise-related weakness can reduce activity and indirectly affect weight trends.
Breed snapshot
Temperament profile
Labrador Retriever dogs are usually social and active, and their larger frame is easiest to read when meals, activity, and weigh-ins stay steady.
Daily rhythm
Consistency, activity, and portion awareness help keep growth on a steady path.
Weight-tracking note
Extra treats and quick eating can push weight up before the frame is finished
Use this page with
Calculator
Open the homepage calculator with Labrador Retriever selected and compare the live result with this guide.
Open calculatorSize chart
Explore the site's general size estimates. These are planning tools, not the official breed standard or a veterinary growth assessment.
Open size chartGuide
Review the core framework for trend tracking, body condition, and using ranges responsibly.
Open guideAge calculator
Use Labrador Retriever's usual adult-size band to compare dog age with human years.
Calculate ageRelated guides
Age guide
Read general growth context and the limits of age-based weight estimates.
Open age guideCondition
Use rib, waist, and tuck checks to decide whether Labrador Retriever's number looks healthy in real life.
Open condition guideLarge growth
Use slow-growth context for Labrador Retriever's frame, food routine, and exercise plan.
Open large guideMaturity
Compare Large growth timing with the point when height, muscle, and fill-out usually slow.
Open timing guideGrowth tracking
Stages
Use a consistent record as your puppy develops.
First weigh-in
Record the date, age, weight and units. Ask your veterinarian about expected adult size and an appropriate chart.
Repeat visits
Feel the ribs and look for a waist from above. Record meals and training treats when reviewing changes in weight.
Approaching adulthood
Discuss feeding and activity as growth slows. Continued gain is not automatically a sign that more food is needed.
Feeding rules
Use a kitchen scale or consistent measuring method, because a Labrador's appetite is not a reliable signal of calorie need.
Use a complete and balanced growth diet suitable for large-breed puppies. Discuss the transition to adult food with your veterinarian as maturity approaches.
Food is a great training tool for Labs, but reward calories should come out of the daily food budget.
A slow feeder or food puzzle can help Labs that gulp meals and may reduce stomach upset from eating too quickly.
Keep water available during activity, then dry the coat and ears after swimming or bathing to reduce moisture-related problems.
Transition over several days and watch stool quality, appetite, skin, and body condition before making another diet change.
Feeding
The right Labrador portion depends on age, body condition, activity, and food calorie density. Start with the food label, then adjust using the waist, rib feel, and repeated weigh-ins.
Puppy rhythm
Young Labrador puppies usually do best with multiple smaller meals. As they approach adulthood, many transition to two measured meals daily.
Portion anchor
A Lab expected to finish near 55 lb should not be fed like one expected to finish near 80 lb. Frame and condition matter more than breed average alone.
Adjustment rule
If the waist softens or ribs become harder to feel, reduce extras first and re-check in two weeks before making a large food change.
Daily life
Good fit for
Things to watch
Care
Use a complete and balanced growth diet suitable for large-breed puppies. Discuss the transition to adult food with your veterinarian as maturity approaches.
Use regular walks, retrieving, swimming, and training games, but avoid turning every puppy session into a hard workout.
Brush the water-repellent double coat often, especially during shedding seasons, and dry the coat and ears after water play.
Labs usually train happily for food and play, so keep rewards small, frequent, and counted in the daily calorie plan.
Warning signs
Labradors can carry extra weight quietly because they are sturdy and enthusiastic. Check both the scale and the body shape.
Similar breeds
Next step
Use age and current weight for a planning estimate. Track repeat measurements and discuss your dog's individual growth with your vet.
FAQ
The adult-size references are linked below. They do not supply the monthly puppy weights: puppy growth is assessed using repeat measurements, suitable growth charts and body condition.
Estimates only. Not veterinary advice.