Adult Weight Formula:
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This calculator estimates a dog's adult weight based on their current weight and age in weeks. It uses a simple formula that assumes linear growth during puppyhood.
The calculator uses the following equation:
Where:
Explanation: The formula assumes the puppy will grow at a consistent rate until reaching adult size at approximately 1 year (52 weeks).
Details: This method provides a rough estimate. Accuracy depends on breed, nutrition, and individual growth patterns. Large breeds may continue growing beyond 1 year.
Tips: For best results, weigh your puppy at the same time each day (before feeding). The estimate is most reliable between 12-20 weeks of age.
Q1: Is this calculator accurate for all dog breeds?
A: It works best for medium-sized breeds. Large breeds may exceed the estimate, while small breeds may reach adult size earlier.
Q2: What if my puppy is older than 52 weeks?
A: If your dog is over 1 year old, they've likely reached their adult weight already.
Q3: How often should I recalculate?
A: You can recalculate every 2-4 weeks to track growth trends.
Q4: Why does the estimate change as my puppy grows?
A: Growth rates aren't perfectly linear. Puppies may have growth spurts or slow periods.
Q5: Can I use pounds instead of kilograms?
A: Yes, but be consistent - use pounds for both puppy weight and the result will be in pounds.