1] Find your puppy's current age in the left column of the chart.
2] Follow left to right to find your puppy's weight converted into ounces.
3] Follow that row down to the bottom column for your puppies estimated adult weight.
This chart is used as a guide and is just an "estimation" of your puppies weight at maturity. There are lots of different factors that also play a part in determining the adult size of your puppy ~ such as the size of the parents & grandparents on both sides of the puppy's line.