Carbs in Brussel sprouts: Brussels sprouts are relatively low in net carbs. On average, a 1-cup (156-gram) serving of cooked Brussels sprouts contains about 8 grams of total carbohydrates. However, when considering net carbs, which are calculated by subtracting the fiber content from the total carbs, Brussels sprouts have approximately 6 grams of net carbs per 1-cup serving. The fiber content in Brussels sprouts is about 2 grams per cup, which helps offset the total carbohydrate count. Due to their relatively low net carb content, Brussels sprouts can be enjoyed as part of a balanced diet, including low-carb or ketogenic diets.