How Big Will My Chihuahua Puppy Get Calculator. Do you want to know how big your dog will get when it's fully grown? To calculate their adult weight, there are two methods you can use:
For medium to large breeds, the dog will eventually be around 2.5 times its weight when it is 14 weeks old. The formula we use to determine “how big will my puppy get” is mentioned below: My puppy is a * and was born.
For most breeds, from schnauzers to retrievers to german shepherds, male dogs will be larger than females.
Look at the column all the way to the far left, going down until you find the age of your puppy. Puppy weight to adult weight formula. By looking at how big the pup’s mom and dad are will give you a better idea of how large the dog will be. Your chihuahua puppy will likely experience a growth spurt during this period, adding considerable weight in just a couple weeks.