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McDonald's · Sweets & Treats · United States

Hot Fudge Sundae Calories & Nutrition

One Hot Fudge Sundae from McDonald's has 330 calories, 8g protein, 51g carbs, 10g fat and 44g sugar.

Our classic hot fudge sundae is made with creamy vanilla soft serve and smothered in chocolaty hot fudge topping.

Key facts

  • Calories

    330 kcal

  • Protein

    8g

  • Carbohydrates

    51g

  • Sodium

    170 mg

It ranks #4 of 10 sweets & treats from lowest to highest calories, with 19% fewer calories than the category average of 406 kcal.

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Ingredients & allergens

Allergens:

  • Milk
  • Soy

Ingredients

Vanilla Reduced Fat Ice Cream: Milk, Sugar, Cream, Corn Syrup, Natural Flavor, Mono And Diglycerides, Cellulose Gum, Guar Gum, Carrageenan, Vitamin A Palmitate. Contains: Milk. Hot Fudge Topping: Sugar, Water, Nonfat Milk, Hydrogenated Palm Kernel Oil, Cocoa (processed With Alkali), Corn Syrup, Salt, Disodium Phosphate, Soy Lecithin, Natural Flavor, Potassium Sorbate (preservative), Polyglycerol Esters Of Fatty Acids. Contains: Milk, Soy.

Allergens shown in capitals as declared by McDonald's. Recipes change and items are made on shared equipment, so always check in store if you have an allergy.

Lower-calorie alternatives

Hot Fudge Sundae: common questions

How many calories are in a Hot Fudge Sundae?

One Hot Fudge Sundae from McDonald's has 330 calories, 8g protein, 51g carbs, 10g fat and 44g sugar. That is 17% of the 2,000 kcal daily value for an average adult.

How much sugar is in Hot Fudge Sundae?

44g of total sugars, of which 36g are added sugars.

Is Hot Fudge Sundae dairy-free or vegan?

The standard build contains milk. McDonald's prepares food and drinks on shared equipment, so traces are possible.

Source: McDonald's US Nutrition Calculator (menu definition) (retrieved 2026-10-15); McDonald's US item nutrition, ingredients & allergens (itemDetails JSON used by the calculator and product pages) (retrieved 2026-10-15); McDonald's US Full Menu (category pages incl. Sauces & Condiments, Happy Meal, Drinks) (retrieved 2026-10-15). Data checked 2026-10-15. McDonald's is a trademark of its owner; Fast Food Calc is independent and not affiliated with McDonald's.