Sonic Chocolate Fudge Toppings contain between 80-320 calories, depending on your choice of size. The size with the fewest calories is the Wacky Pack Chocolate Fudge Topping (80 calories), while the Route 44 Chocolate Fudge Topping contains the most calories (320 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.