How many calories in a mango? A mango has 135 calories. It containts the following components: carbohydrates – 12%, dietary fiber – 15%, fat – 1%, vitamin A – 32%, vitamin C – 96%, iron – 1% and calcium – 2%. Mangoes are rich in vitamins, minerals and anti-oxidants. It has a high antibacterial activity against gram positive bacteria, it aids the development of the placenta and fetus, and helps the metabolic activities of teeth, the retina and skin, while preventing anemia. In addition, tightening the capillary vessels.