This field contains the quantity of the serving size measured in the Nutrition Unit of Measure.
For example, if the serving size and serving unit of measure is 1 box, and the nutrition unit of measure is gram, enter the weight of the box in grams in this field.
If the serving unit of measure and the nutrition unit of measure have a conversion factor defined
between then in the Conversion Value table, the program calculates the contents of this field automatically.
Note that this field must be filled in for the program to be able to calculate the Value
per Nutrition Weight that the program uses to calculate nutrition values for recipes and items.