There are 340 calories in a Hot Fudge Sundae from McDonald's. Most of those calories come from carbohydrates (65%).
To burn the 340 calories in a Hot Fudge Sundae, you would have to run for 30 minutes or walk for 49 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Hot Fudge Sundae is healthy or not.
Allergy Information: a McDonald's Hot Fudge Sundae contains milk and soy. a McDonald's Hot Fudge Sundae does not contain egg, fish, gluten, mustard, peanuts, sesame, shellfish, tree nuts or wheat.*
* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.
There are 18 Weight Watchers Freestyle Points, 18 WW SmartPoints and 9 WW PointsPlus in a serving of Hot Fudge Sundae from McDonald's.
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