When a recipe calls for 16oz of powdered sugar how does that convert to cups?

To convert ounces to cups for powdered sugar, you can use the following conversion:

1 cup of powdered sugar is approximately equal to 4 ounces

Therefore, to convert 16oz of powdered sugar to cups, you can divide 16 by 4:

16oz of powdered sugar / 4oz per cup = 4 cups

So, 16oz of powdered sugar is equivalent to 4 cups.