There are 940 calories in a Mushroom & Swiss King from Burger King. Most of those calories come from fat (60%).
|Serving Size||1 burger|
|Amount Per Serving|
|Calories From Fat||567|
*All percent daily value figures are based on a 2,000 calorie diet.
Weight Watchers Freestyle Points: 30
Weight Watchers SmartPoints: 30
Weight Watchers PointsPlus: 26
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.