In a 5-pound bag of granulated white sugar, there are approximately 11 1/4 cups. Different varieties of sugar may have more or less by volume. For example, the same 5-pound bag yields 18 3/4 cups when measuring confectioner's sugar and 12 1/2 cups when measuring brown sugar. read more
1 pound equals 16 oz so 1 cup equals 8oz. Therefore, 1 pound would equal 2 cups, so, 10 pounds of sugar would equal 20 cups. read more