There are 660 calories in a Single Mushroom & Swiss Burger from McDonald's. Most of those calories come from fat (48%).
To burn the 660 calories in a Single Mushroom & Swiss Burger, you would have to run for 58 minutes or walk for 94 minutes.
According to our website visitors, it's hard to tell if Single Mushroom & Swiss Burger from McDonald's is a healthy option. Our visitors are split on the issue, with 53% of visitors thinking a Single Mushroom & Swiss Burger is healthy and 47% thinking it's unhealthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Single Mushroom & Swiss Burger is healthy or not.
Allergy Information: a McDonald's Mushroom & Swiss Burger contains egg, gluten, milk and wheat. a McDonald's Mushroom & Swiss Burger does not contain fish, peanuts, shellfish, soy or tree nuts.*
* 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 21 Weight Watchers Freestyle Points, 21 WW SmartPoints and 18 WW PointsPlus in a serving of Single Mushroom & Swiss Burger from McDonald's.
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