How big will my labradoodle get?
It depends almost entirely on which size of Poodle sits in your labradoodle's background, because that parentage is what decides whether you end up with a dog closer to 8kg or one closer to 30kg. There is no single labradoodle size, which is exactly why the breed is usually described in three loose categories rather than one standard.
The three rough size categories
A miniature labradoodle, bred from a Toy or Miniature Poodle, typically settles somewhere around 7 to 14kg as an adult, standing roughly knee height. A medium labradoodle usually lands between about 14 and 20kg, and a standard labradoodle, bred from a full-size Standard Poodle, commonly reaches 20 to 32kg, with some larger males going heavier still.
Because labradoodles are a cross rather than a fixed breed with a single written standard, individual dogs vary more than you would see within a pedigree Labrador or Poodle litter of the same size category. Two puppies from the same litter can mature to noticeably different weights.
When they stop growing
Smaller labradoodles tend to reach their adult weight fairly early, often somewhere around 10 to 12 months old. Standard-size labradoodles, like most larger dogs, take longer to finish filling out, and it is common for them to keep gaining muscle and frame right through to 18 to 24 months even after their height has levelled off.
If your labradoodle's growth looks like it has stalled well outside these general windows, or seems unusually slow or fast for their size category, that is worth mentioning to your vet, who can check it against your individual dog rather than a general chart.
Reading your own puppy's likely size
The clearest early clue is the size of the parents, where you know them, and particularly the Poodle side of the cross. A puppy from two medium-sized parents is very unlikely to grow into a standard-size adult, and vice versa.
Paw size relative to the rest of the body is a rough, informal indicator many owners use in the first few months, though it is not a precise measurement — a vet weighing your puppy at regular check-ups and plotting it against typical growth patterns is a far more reliable way to see where they are heading.
Common questions
- Do labradoodles come in different sizes?
- Yes. They are usually grouped into miniature, medium and standard, based on the size of the Poodle used in the cross, and the range between the smallest and largest labradoodles is much wider than you would see in most single breeds.
- At what age is a labradoodle fully grown?
- Smaller labradoodles often reach adult weight by around 10 to 12 months, while standard-size labradoodles can keep filling out until 18 to 24 months. Larger dogs generally take longer to finish maturing than smaller ones.
- Why do labradoodle sizes vary so much?
- Because a labradoodle is a cross rather than a breed with one fixed standard, and the Poodle parent alone can range from toy to standard size. That variation carries straight through into how big the puppies eventually grow.
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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.