Calculating your puppy's adult weight
So you've just adopted a new puppy, and would like to get some kind of idea on how big he/she will grow up to be. Is there any way to tell, or at least to guess, how big your little fur ball will be as an adult? Is it okay to buy your dog small sized supplies, such as beds, or should you save some money and opt for the extra large size now? Are there any health issues associated with your pooches future size that you should start researching now? Knowing about how large your dog will grow up to be can be very useful for many reasons. Of course we love our dogs no matter what size they are, but if you'd like a way to estimate how big your puppy will grow to be, then you're in the right place!
These easy calculations can be used to estimate about how large your puppy will be as an adult!
- Determine how old your dog is, in weeks, and weigh your puppy.
- Now here's where the actual math comes in. The formula is (Growth) = Current weight in pounds / Age in weeks. Adult Weight = (Growth) X 52
- So, for example, say you have a 12 week old chihuahua mix who currently weighs 6 pounds. Then you'd first determine his growth. So Current weight divided by age in weeks. 6/12 = 0.5. Then you take that growth number, in this case 0.5, and plug it into the next equation. So in this example, the dogs adult weight is equal to 0.5 X 52, which is 26. So the chihuahua mix in this example will grow to an estimated adult weight of around 26 lbs.
Pretty simple, right? Keep in mind though that this is just a rough estimate. There are many factors that go into determining a dogs growth and size, including things like sex, breed, and health. This calculation estimates your dogs weight as if he/she continues to grow the same average amount throughout puppy hood. Keep in mind that it may not be entirely accurate, due to the fact that many puppies, rather than growing continuously, will have a period of fast growth followed by a period of slower growth until they reach their full adult weight. Also keep in mind that different sized dogs reach their adult size at different ages, and even after they obtain their adult size it's normal for them to continue to gain some weight as they fill out more.
Since these calculations are just estimates and can be inaccurate, it can be helpful to look at more than one when trying to determine your dogs future size. Here is an example of another set of equations used to estimate a puppy's adult size.
- If you have a toy or small breed dog, use this equation: (Adult weight in lbs) = Weight in lbs at 6 weeks old X 4
- If you have a medium or large sized dog, use this equation: (Adult weight in lbs) = Weight in lbs at 14 weeks X 2.5
- If you are unsure whether your dog will be a small, medium, or large adult, you can do both of these calculations for your dog to get a weight range.
Dogs come in all shapes and sizes. It's important to love our dogs, no matter how large or small they grow up to be. But if you'd like a rough estimate on your dogs adult size, these simple calculations should help.
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