One pound of powdered sugar is about equivalent to four cups. This is the standard size and quantity of a single box of powdered sugar. Powdered sugar (or confectioners sugar) is fluffier and lighter than the other sugars listed, so you get more cups per pound.
2 cups Cups of Sugar in a Pound One pound of granulated sugar contains approximately 2 cups. The grain of granulated sugar is the smallest of these sugars so it’s much heavier by weight, therefore you get the fewest number of cups per pound of this type of sugar. Get Our FREE Emergency Baking Substitutions!