There are 640 calories in a Big Breakfast from McDonald's. Most of those calories come from fat (54%).
To burn the 640 calories in a Big Breakfast, you would have to run for 56 minutes or walk for 91 minutes.
According to our website visitors, it's hard to tell if Big Breakfast from McDonald's is a healthy option. Our visitors are split on the issue, with 43% of visitors thinking a Big Breakfast is healthy and 57% thinking it's unhealthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Big Breakfast is healthy or not.
Allergy Information: a McDonald's Big Breakfast contains egg, gluten, milk and wheat. a McDonald's Big Breakfast does not contain fish, peanuts, sesame, 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 17 WW PointsPlus in a serving of Big Breakfast from McDonald's.