Carb in Large Head Cauliflower (7-8 inches) 20-22 net carbs Carbs in Medium Head Cauliflower (5-6 inches) 15-17 net carbs Carbs in Small Head Cauliflower (3-4 inches) 8-10 net carbs Carbs in 1 cup Cauliflower 4.7-5.3 net carbs Carbs in 1 ounce Cauliflower 1.4 net carbs Carbs in 1 Pound Cauliflower 24 net carbs Carbs in 1 Large Cauliflower Floret 0.7 net carbs Carbs in 1 cup Riced Cauliflower 4.7 net carbs Carbs in 1/2 cup Frozen Cauliflower 2.7-3.3 net carbs