Carbs in Olive Oil. The favorite choice for the term Olive Oil is 1 tablespoon of Olive Oil which has no carbs. The total carbohyrate, sugar, fiber and estimated net carbs (non-fiber carbs) for a variety of types and serving sizes of Olive Oil is shown below. View other nutritional values (such as Calories or Fats) using the filter below: Calories|Total Carbs|Total Fats|Protein|Sodium|Cholesterol|Vitamins.