Question: how many grams in one cup of powdered sugar?
Answer: 1 cup confectioners' sugar = 120 grams (4 1/4 ounces) 1 cup sifted confectioners' sugar = 115 grams (4 ounces) 1/4 cup cornstarch = 28 grams (1 ounce) 1 cup granulated sugar = 200 grams (7 1/2 ounces)