7½ cups The usual 32-ounce package (2 pounds) of powdered sugar has about 7½ cups of powdered sugar.
How many cups of confectioner’s sugar are in one pound?
Powdered sugar directly from the box or plastic bag weighs 4 1/2 ounces per cup; therefore, a 1-pound box (or 16 ounces) provides approximately 3 1/2 cups of powdered sugar.