* Breed: Some breeds are naturally much larger than others. For example, a Great Dane can weigh over 200 pounds, while a Chihuahua might only weigh a few pounds.
* Individual variation: Even within a breed, there can be significant variation in size.
* Diet and exercise: Overfeeding or lack of exercise can contribute to obesity, leading to a higher weight.
* Health: Certain health conditions can affect a dog's weight.
To get an idea of a specific dog's potential weight, you can consult breed standards or talk to your veterinarian. They can provide you with a healthy weight range for your dog based on its breed, age, and individual needs.