Skim milk is generally low in fat or fat and contains 0.5 grams less fat than saturated fat. It is not 'cream' like whole milk and it looks light and consistent. Many health professionals prefer skim milk, considering it is low in calories and light in your diet. According to Nutritionist, "Milk or low-fat milk is best if you plan to reduce your calorie intake. A saturated milk glass may contain 10 grams of fat and 176.6 calories (Kcal) and total. an equal amount of skim milk can contain anywhere between 2 to 0 grams of fat and somewhere between 89- 288 calories (Kcal).