Calories in Globe Grapes based on the calories, fat, protein, carbs and other nutrition information submitted for Globe Grapes. Raisins and grapes provide us with fiber, potassium, manganese and vitamins A, … 57 kcal of calories per 100g, from Grapes, muscadine, raw corresponds to 3% of the calories RDA. Log In. Grapes are an excellent source of potassium, calcium and vitamin A. If you are on a restricted calorie plan, it is always advisable to consult your dietitian or nutritionist for your recommended daily intake.