how many cups in a lb of powdered sugar
Best Answer: David P is correct! http://recipecircus.com/recipes/Joy/Equi... Multiply the number of pounds of sugar the recipe calls for by 3.75 to find out how many cups of sifted powdered sugar you need. 2. 1lb = Approximately 4 cups of icing sugar. Fluid oz is different from dry ingredients' oz. 1 lb confectioners sugar = 3 3/4 cups, which is different from granulated sugar and brown sugar according to Domino Sugar company site. http://www.cooking-solutions.com/convers... 4 cups equals 1lb.