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Pet Age HQ

Puppy weight estimator

Projects an adult weight range from current weight and age using Merck’s published early-growth band (2–4 g/day per kg anticipated adult weight, first ~5 months). Output is always a range — never one false-precision number.

Sources: Merck Veterinary Manual · Salt et al. 2017 (PLOS ONE) · methodology

Educational only — not veterinary advice. Prefer serial weigh-ins on Salt/WALTHAM growth charts with your veterinarian.