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Giant Breed Puppy Growth Charts

Giant breeds are the marathon growers of the dog world. Expect around two full years before the frame is done, with dramatic early gains that must stay controlled to protect joints.

Typical adult weight90–200 lb
Usually mature byAbout 24 months
Breeds covered10 growth charts

Most giant breeds approach adult weight around 24 months. Patience with slow, steady growth pays off in joint health.

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Giant breed growth charts

Giant puppy growth FAQ

How much should a giant breed puppy weigh?

Adult giant breeds typically weigh between 90 and 200 lb, with males at the top of the range. The calculator estimates a personal range from your puppy’s current age and weight.

When do giant breed puppies stop growing?

Most giant puppies keep growing until about 24 months. Height usually finishes before weight, as muscle fills in last.

How do I keep a giant puppy growing safely?

Feed a large- or giant-breed puppy formula in measured meals, keep exercise low-impact while young, and have your vet check the growth curve regularly. Steady beats fast every time.

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Use the puppy weight calculator to estimate your puppy's adult weight from their current age and weight.