125 grams of butter equals how many cups? Flour cups to gramsAll purpose Flour (and icing or powdered sugar) 1/4 cup = 31 grams1/2 cup = 62 grams1 cup = 125 grams5-2/3 cups = 680 grams (1.5 pounds)8 cups = 1kg (1000 grams or 2.2 pound) Butter or Margarine cups to grams ...