Here's a handy chart to help you calculate approximate portion sizes based on overall package weight. Please remember that all amounts are estimations. This chart is also available for cats.
Need to figure out how much food you need for one month?
To calculate the approximate amount of food you'd need in one month:
Find the number of cups (or patties) in the bag in the chart below. Then divide the number of cups in a bag by the number of cups your dog will eat daily, then divide that by 30.
Example:
If the chart indicates a bag has 68 cups, and your dog will eat 2 cups daily, then 68 cups divided by 2 equals 34 days of food. In this example, your dog will have enough food for a month.