Puppies grow at very different rates depending on expected adult size. Small breeds mature earlier, while giant breeds may continue filling out well into their second year.
What to keep in mind
Weigh at consistent intervals, use the same scale where possible, and pay attention to body condition as well as weight. Sudden plateaus, rapid losses or abnormal appetite deserve veterinary attention.
Practical next step
Adult-weight predictors are estimates. They are most useful as planning tools for feeding, equipment and growth monitoring, not as promises of a final size.
Use the calculator to organize your numbers, then apply the context explained above.
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