Cocoa Powder — Cups to Grams Conversion 1 cup of cocoa powder = 85 grams. 0.25 cups21.3 g0.5 cups42.5 g0.75 cups63.8 g1 cups85 g1.5 cups127.5 g2 cups170 g3 cups255 g4 cups340 g Open the Cooking Converter for more ingredients