The total calories will vary in spinach salad depending on the other ingredients added to it. In this recipe, one serving size (roughly 1 1/4 cups) contains 128 calories.  This salad is low in carbs (19g), low in sodium (63.1mg), and high in vitamins A, C, and K.  For more nutritional information, please scroll to the bottom of the recipe card to read the nutrition facts.