Nutritional value of avocado. Butter fruit is highly nutritious that contains a wide variety of nutrients including 20 different vitamins and minerals. It consists of 73 percent of water, 8.5 percent carbohydrates, 15 percent fat and 2 percent protein. Half an avocado contains 109 calories which is equal to 160 calories per 100 grams. Here, is a list of nutrition facts of avocado: 1. Fat. Among all the fruits, avocado is a very extraordinary fruit that is low in saturated fat. The most interesting part of this fruit is that the oil of avocado is used for cooking and it acts as a very good moisturizer for the skin and hair.