There are 570 calories in a Grand Big Mac from McDonald's. Most of those calories come from fat (74%).
To burn the 570 calories in a Grand Big Mac, you would have to run for 50 minutes or walk for 81 minutes.
According to our website visitors, a Grand Big Mac is not a healthy and nutritious option from McDonald's, with only 24% 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 Grand Big Mac is healthy or not.
Allergy Information: a McDonald's Grand Big Mac contains egg, gluten, milk, mustard, sesame, soy and wheat. a McDonald's Grand Big Mac does not contain fish, peanuts, shellfish 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 20 Weight Watchers Freestyle Points, 20 WW SmartPoints and 16 WW PointsPlus in a serving of Grand Big Mac from McDonald's.