Cake Flour — Cups to Grams Conversion 1 cup of cake flour = 115 grams. 0.25 cups28.8 g0.5 cups57.5 g0.75 cups86.3 g1 cups115 g1.5 cups172.5 g2 cups230 g3 cups345 g4 cups460 g Open the Cooking Converter for more ingredients