Short answer: most puppies reach roughly half their adult weight by 16 weeks. Toy breeds are usually fully grown by 9–10 months, while giant breeds keep growing until 18–24 months. Enter your puppy’s age, weight, and breed size below for a personalized estimate of their adult weight range and full-grown timeline — all figures are estimates, and mixed breeds can vary more.
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A quick note: BlueTarg tools provide general educational information, not veterinary advice. If you’re worried about your puppy’s growth, appetite, or health, talk to your veterinarian.