There are 520 calories in a Hot Fudge Sundae from Sonic. Most of those calories come from fat (44%) and carbohydrates (50%).
To burn the 520 calories in a Hot Fudge Sundae, you would have to run for 46 minutes or walk for 74 minutes.
According to our website visitors, a Hot Fudge Sundae is not a healthy and nutritious option from Sonic, with only 27% of voters finding it to be healthy.
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 Sonic Hot Fudge Sundae contains milk and soy and may contain egg, peanuts, tree nuts and wheat. a Sonic Hot Fudge Sundae does not contain fish, gluten, MSG or shellfish.*
* 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 26 Weight Watchers Freestyle Points, 26 WW SmartPoints and 14 WW PointsPlus in a serving of Hot Fudge Sundae from Sonic.