What will he weigh when he's grown?
Dogs come in all mixes and sizes. When selecting and caring for a puppy, use this general calculation to project your puppy's adult weight.
Instructions
Your Puppy's Size, Age and Weight
1. Determine which size category your dog belongs to. Dogs are categorized as small, medium and large. Based on your dog's breed, identify its size.
2. Calculate your puppy's age in weeks. Dogs of different sizes have grow the fastest during these time frames:
Toy and small: birth to 3 months (12 weeks)
Medium: birth to 4 months (16 weeks)
Large: birth to 5 months (20 weeks)
3. Weigh your puppy on the scale.
Calculate Projected Adult Weight
4. Use an equation to give you a general idea of your puppy's adult weight. Remember that males are often larger than females; depending on your puppy's age, he may be past his stage of rapid growth.
Growth = Current weight / Age in weeks
Estimated adult weight = Growth x 52
5. Consider this example: A toy poodle is 3 pounds at 14 weeks. His projected adult weight is less than 9.75 pounds.
Growth = 3 pounds / 14 weeks = 0.214 pounds per week.
Estimated adult weight = 0.214 pounds per week x 52 weeks = 9.75 pounds.
The toy poodle has passed his rapid growth stage, so he should grow to less than the estimated adult weight.
6. Consider another example: A beagle weighs 10 pounds at 4 months. His projected adult weight is 32.5 pounds.
Growth = 10 pounds / 16 weeks = 0.625 pounds per week.
Estimated adult weight = 0.625 pounds per week x 52 weeks = 32.5 pounds.
The beagle is at the end of his growth spurt, so the estimated adult weight can be considered fairly accurate.
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