How much should a Labrador puppy weigh?

Labrador puppies gain weight quickly and unevenly through their first year, so there is no single healthy figure for a given age. A vet can track your puppy's growth against expected patterns at routine check-ups and flag anything that looks off.

Why is my Labrador overweight even though I feed the recommended amount?

Feeding guides on packaging are based on an average dog and do not account for individual metabolism, activity level, or treats given on top of meals. Many Labradors need less than the guide suggests, so weighing food out and checking body condition regularly is more reliable than following the bag alone.

Are female Labradors lighter than males?

On average, yes, female Labradors tend to sit towards the lighter end of the breed's typical weight range while males sit towards the heavier end, though there is plenty of overlap between individual dogs.

Does neutering make Labradors put on weight?

Neutering can lower a dog's metabolic rate somewhat, which means a neutered Labrador may need a slightly smaller portion than before to maintain the same weight. It is not automatic weight gain, but it is worth reassessing portions and checking body condition a few months after the procedure.

How much should a Labrador weigh?

A healthy adult Labrador typically weighs somewhere in the range of about 25 to 36 kilograms, with males usually sitting towards the heavier end and females towards the lighter end. That range is wide on purpose, because a dog's ideal weight depends on its individual build, so a body condition check tells you more than the number on the scale alone.

Why the range is so wide

Labradors vary a fair amount in frame size even within the breed, and a taller, more heavily built dog can carry more weight healthily than a smaller, finer-boned one without either being wrong for their type. That is why breed weight ranges are always given as a broad band rather than a single target figure.

Neutering, age, and activity level all shift where a dog naturally sits within that range too. A working, very active Labrador often sits leaner than a similarly sized dog living a quieter life, without either necessarily being unhealthy.

Reading body condition rather than the scale

The more useful check than a raw number is body condition: you should be able to feel your Labrador's ribs with a light touch, without them being visible, and see a waist narrowing in behind the ribs when viewed from above. A dog where the ribs are hard to find under a layer of fat is likely carrying more weight than is healthy, regardless of what the scale says.

Labradors are a breed particularly prone to overeating and to putting weight on gradually without an obvious change in appetite, which is part of why regular condition checks matter more for this breed than for some others.

When to check with a vet

A vet can assess body condition properly in a couple of minutes at a routine visit and tell you whether your dog's current weight is where it should be, which is far more reliable than comparing against a generic chart. This is particularly worth doing if your Labrador has gained or lost weight noticeably without an obvious reason, since unexplained changes are worth ruling things out for.

It is also worth a check before and after any big life change, such as neutering, a house move, or a switch to a much less active routine, since Labradors are prone to gaining weight quietly around exactly these moments. Catching a small gain early is far easier to reverse than waiting until it has become an established habit for both of you.

Common questions

How much should a Labrador puppy weigh?: Labrador puppies gain weight quickly and unevenly through their first year, so there is no single healthy figure for a given age. A vet can track your puppy's growth against expected patterns at routine check-ups and flag anything that looks off.
Why is my Labrador overweight even though I feed the recommended amount?: Feeding guides on packaging are based on an average dog and do not account for individual metabolism, activity level, or treats given on top of meals. Many Labradors need less than the guide suggests, so weighing food out and checking body condition regularly is more reliable than following the bag alone.
Are female Labradors lighter than males?: On average, yes, female Labradors tend to sit towards the lighter end of the breed's typical weight range while males sit towards the heavier end, though there is plenty of overlap between individual dogs.
Does neutering make Labradors put on weight?: Neutering can lower a dog's metabolic rate somewhat, which means a neutered Labrador may need a slightly smaller portion than before to maintain the same weight. It is not automatic weight gain, but it is worth reassessing portions and checking body condition a few months after the procedure.

Sources

Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.