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Puppy adult size prediction estimates final weight from current weight and age. Large breeds grow longer than small breeds and need different multipliers.
Fórmula
Adult weight estimate from puppy: current weight / age in weeks × 52; Assumes linear growth (less accurate after 4–5 months). Breed-based estimates more reliable.
- CurrentWeight
- Puppy current weight (kg)
- AgeWeeks
- Puppy age (Weeks)
- EstimatedAdultWeight
- Projected adult weight (kg)
Guía paso a paso
- 1Small (< 10kg adult): adult ≈ 4× weight at 8 weeks
- 2Medium (10–25kg): adult ≈ 2.5× weight at 8 weeks
- 3Large (25–45kg): adult ≈ 2× weight at 16 weeks
- 4Giant (> 45kg): adult ≈ 2.5× weight at 16 weeks
Ejemplos resueltos
Entrada
Medium breed, 4 kg at 8 weeks
Resultado
Estimated adult weight: ~10 kg
Preguntas frecuentes
Is there a better way to estimate adult size?
Breed standard most reliable. Parents' sizes. Growth charts: most puppies reach 75% adult weight by 6 months, 90% by 9 months. Large breeds grow until 18–24 months.
Why does formula become inaccurate?
Growth non-linear. Fastest month 2–3; slows month 4+. Large breeds plateau slower. Nutrition affects growth rate. Weight at 16 weeks better predictor than week-by-week formula.
When is dog fully grown?
Small breeds: 10–12 months. Medium: 12–15 months. Large: 18–24 months. Skeleton plates close later in large breeds. Continued growth past 12 months possible.
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